Research Subjects of Okabe Laboratory

English / Japanese

Last Modified: (Founded: 1994-07-01)

What's New?

Subjects At Present

• Superconductive Electronicds
  • Josephson circuit
• Bio-Magnetism
• Neural Networks
  • Learning System by Moderatism
  • Dynamic Control of Robots by Neural Networks
  • Pulse Neural Networks
  • Self-Organization by Reinforcement Learning
  • Learning by Error-Back-Propagation Method

Subjects From 1995 Until 2000

• Superconductive Electronicds
  • Josephson circuit
  • Josephson device
  • Fabrication and Characterization of High Tc Superconductive Film
• Bio-Magnetism
• Neural Networks
  • Self-Organization by Moderatism
  • Dynamic Control of Robots by Neural Networks
  • Associative Memory
  • Self-Organization by Reinforcement Learning
  • Pulse Neural Networks and Self-Organization
  • Learning by Error-Back-Propagation Method
  • AI oriented applications

Subjects At Present (Subjects of Previous Year Included)

Superconductive Electronics

• Josephson Circuits
  • 1998-present: Teh, Chen Kong (D2) Design of New Boolean Single Flux Quantum Circuits
    • [000919JJ] Paper: C. K. Teh, and Y. Okabe, "New BSFQ circuits with wide margins," IEEE Trans. Appl. Supercond., vol. 11, No. 1, Mar. 2001. (to be published).
    • [000917JJ] Proc: C. K. Teh, M. Kitagawa, and Y. Okabe, "New BSFQ Circuits with Wide Margins," Abst. of Applied Superconductivity Conference (ASC2000), pp. 101, Virginia Beach, USA, September 2000.
    • [000716JJ] Paper: Y. Okabe, C. K. Teh, "Boolean Single Flux Quantum Circuits," IEICE Trans. Electron., vol. E84-C, No. 1, pp. 9-14, Jan 2001.
    • [991101JJ] Paper: C. K. Teh, M. Kitagawa and Y. Okabe, "Inductance Calculation of 3D Superconducting Structures with Ground Plane," Supercond. Sci. Technol., vol. 12, no. 11, pp. 921-924, November 1999.
    • [990621JJ] Proc: C. K. Teh, M. Kitagawa, and Y. Okabe, "Inductance Calculation of 3D Superconducting Loop with Ground Plane", Ext. Abst. of 7th International Superconductive Electronics Conference (ISEC'99), pp. 345-347, Berkeley, USA, June 1999.
    • [990331JJ] Oral: C. K. Teh, M. Kitagawa and Y. Okabe, "Inductance Calculation of 3D Superconducting Loop with Ground Plane", Ext. Abst. of 46th Spring Meeting of Japan Society of Applied Physics and Related Societies, No. 1, pp.294, 30p-ZH-13, Mar. 1999 (in Japanese).
    • [990300B3] Paper: C. K. Teh, "Inductance Calculation of Superconducting Loop with Ground Plane", Undergraduate Thesis, Univ. of Tokyo (in Japanese).

Bio-magnetism

• Inverse Problem of MagnetoEncephaloGraphy
  • 1999-present: M. Kaneko(M1), Inverse Problem Analysis of Bio-Magnetism

Neural Networks

• Neural Network Learning by Moderatism
  • 1990-2002: M. Kitagawa (R) and K. Miyao (R), Formation of Reflex Arc with Robotic Arm by Feedback Learning
    • [980423NN] Paper: Y. Okabe,T. Kouhara, H. Hayashi and A. Narusawa, "Moderatism: New concept for self-organization of neural networks", Proceedings KES'98 Adelaide,1998 Second International Conference on Knowledge-based Intelligent Electronic Systems, Vol. 3, Apr. 1998, pp. 246-249
  • 2000-present: M. Tanvir Islam (M2), Pattern Learning by Neural Networks Based on Moderatism
    • [020200NN] Master: MD. Tanvir Islam, "Pattern learning by artificial neural networks", Master Thesis, Univ. of Tokyo.
    • [011227NN] Proc.MD.Tanvir Islam, and Y. Okabe, "A New Pattern learning Algorithm for Multilayer Feedforward Neural Networks", Proceedings of International Conference on Computer and Information Technology (ICCIT 2001),pp 251-255,Dec. 2001.
    • [010928NN] Proc.: MD. Tanvir Islam and Y. Okabe, "Pattern learning by neural networks based on moderatism", 2001 Annual Conference of Japansese Neural Network Society, P2-11 (60), Sep. 2001, pp. 129-130.
  • 2000-present: A. Ono (M1), Neural Network Learning by Moderatism
    • [010928NN] Oral: A. Ono and Y. Okabe, "The interation of moderatizm-based neural network with delay system", 2001 Annual Conference of Japansese Neural Network Society, P2-9 (58), Sep. 2001, pp. 125-126 (in Japanese)
    • [010300B2] UnderGr: A. Ono, "*", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 2001-2002: M.Inai (B), Neural Network Learning by Moderatism
  • 2002-present: T. Sato (B),
• Dynamic Control of Robots by Neural Networks
  • 1999-2002: I. Karube, Dynamic Control of Robot by Neural Network
    • [020200M1] Master: I. Karube, "Learning control of one-legged hopper using neural oscillators", Master Thesis, Univ. of Tokyo (in Japanese)
    • [010928NN] Oral: I. Karube and Y. Okabe, "Control of one-legged hopper using a neural oscillator", 2001 Annual Conference of Japansese Neural Network Society, P2-7 (56), Sep. 2001, pp. 121-122 (in Japanese)
    • [000906NN] Oral: I. Karube and Y. Okabe, "Dynamic control of a hopping robot", 2000 Annual Conference of Japansese Neural Network Society, P-674, Sep. 2000, p. 318. (in Japanese)
    • [000300B2] UnderGr: I. Karube, "*", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 2002-present: Y. Yonezawa (M1),
  • 2002-present: J. Koyama (B),
• Pulse Neural Networks
  • 1999-present: T. Akimitsu (R), Pulse Neural Networks
    • [010928NN] Oral: T. Akimitsu and Y. Okabe, "The learning rule for pulse neural network using temporalactivity", 2001 Annual Conference of Japansese Neural Network Society, P2-10 (59), Sep. 2001, pp. 127-128(in Japanese)
    • [000905NN] Oral: T. Akimitsu and Y. Okabe, "Self-organized learning in pulsed neural networks", 2000 Annual Conference of Japansese Neural Network Society, P-618, Sep. 2000, p. 256. (in Japanese)
    • [990921NN] Oral: T. Akimitsu, T. Horita and Y. Okabe, "The input-output characteristics for the Hodgkin-Huxley equation with synaptic conductance", 1999 Annual Conference of Japanese Neural Network Society, P2-1 (43), Sep. 1999, pp. 87-88 (in Japanese)
• Self-Organization by Reinforcement Learning
  • 2002-present: T. Shibata (M),
• Learning by Error-Back-Propagation Method
  • 2002-present: M. Naya (B),

Subjects From 1995 Until 2000

Superconductive Electronics

• Josephson Circuits
  • 2000-2001: Tatsuro Ii (B), Design of BSFQ Decoder
  • 1999-2000: S. Sonoda (B), Design of Superconductive Digital Circuits
    • [000300B3] Paper: Shinya Sonoda, "Design of BSFQ circuits", Undergraduate Thesis, Univ. of Tokyo (in Japanese).
  • 1997-2000: T. Hosoki (M) Design of Superconductive Digital Circuits
    • [991111JJ] Proc: T. Hosoki, H. Kodaka, M. Kitagawa and Y. Okabe, "Design and experimentation of BSFQ Logic Devices", Superconductor Science and Technology, Volume 12, Number 11, November 1999, Institute of Physics, pp. 773-775
    • [990628JJ] Proc: Y. Okabe, H. Kodaka, T. Hosoki and M. Kitagawa, "Single flux quantum logics", Program and Extended Abstracts, 1999 International Workshop on Superconductivity, the 4th Joint ISTEC/MRS Workshop, PL-2, Jun. 1999, pp. 10-11
    • [990622JJ] Proc: T. Hosoki, H. Kodaka, M. Kitagawa and Y. Okabe, "Design and experimentation of BSFQ Logic Devices", Extended Abstracts, 7th International Superconductive Electronics Conference, ISEC'99, PI-1.4, Jun. 1999, pp. 91-93
    • [990331JJ] Oral: T. Hosoki, H. Kodaka, M. Kitagawa and Y. Okabe, "Proposal of BSFQ Logic Devices", Extend Abstracts (The 46th Spring Meeting, 1999); The Japan Society of Applied Physics and Related Societies, No. 1, pp.295, 31a-ZH-2, Mar. 1999, (in Japanese)
    • [981116JJ] Paper: H. Kodaka, T. Hosoki, M. Kitagawa and Y.Okabe, "SFQ Logic Circuit using Set/Reset Infomation", Technical Report of IEICE, SCE98-35, Nov. 1998, pp.63-68(in Japanese)
    • [980916JJ] Paper: H. Kodaka, T. Hosoki and Y. Okabe, "Single flux quantum level circuit using new DC/SFQ", Abstracts of 1998 Applied Superconductivity Conference (ASC'98), Palm Desert, California, Sept. 1998, p. 113
    • [980300B3] Paper: T. Hosoki, "Fabrication of bi-crytal Josephson junction using high Tc superconductor", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1995-1999: H. Kodaka (D), SFQ Logic Circuits
    • [971005JJ] Paper: H. Kodaka, Y. Soutome and Y. Okabe, "Single flux quantum circuit using DC-SQUID as a switching device", Extended Abstracts, The 58th Autumn Meeting, 1997, The Japan Society of Applied Physics, No. 1, 5a-ZA-3, Oct. 1997, p.226 (in Japanese)
    • [971000JJ] Paper: Y. Okabe and H. Kodaka, "Single flux quantum logic and its non-latching operation", Physica C, Oct. 1997, pp. 403-406
    • [970700JJ] Paper: H. Kodaka and Y. Okabe, "DC bias margin of non-latch single flux quantum logic", Advances in Super-conductivity IX, Proceedings of the 9th International Symposium on Superconductivity(ISS'96), Vol. 2, Jul. 1997, pp. 1209-1212
    • [970528JJ] Paper: H. Kodaka, T. Inui and Y. Okabe, "Theoretical analysis of flux propagation in rf-SQUID chain circuit", The 5th International Workshop on High-Temperature Superconducting Electron Devices (HTSED '97), May 1997, pp. 51-52
    • [970330JJ] Paper: T. Inui, H. Kodaka and Y. Okabe, "Signal propagation properties of non-latching single flux quantum logic circuit", Extended Abstracts (The 44th Spring Meeting, 1997); The Japan Society of Applied Physics and Related Societies, No. 1, 30a-SQ-28, Mar. 1997, p. 145 (in Japanese)
    • [970303JJ] Paper: Y. Okabe and H. Kodaka, "Single flux quantum logic and its non-latching operation", Proceedings of 5th International Conference Materials and Mechanisms of Superconductivity High-Temperature Superconductors, Beijing, MO-F-2, Mar. 1997, pp. 30-31
    • [961022JJ] Paper: H. Kodaka and Y. Okabe, "Dc bias margin of non-latch single flux quantum logic circuit", 9th International Symposium on Superconductivity, DAP-2
    • [960907JJ] Paper: H. Kodaka and Y. Okabe, "Study of non-latching single flux quantum logic circuit (NSFQ)", Extended Abstracts (The 57th Autumn Meeting, 1996, The Japan Society of Applied Physics, 7a-KC-7, Sep. 1996, p. 101 (in Japanses)
    • [960828JJ] Paper: H. Kodaka and Y. Okabe, "Non-latching operation of single flux quantum logic-circuit with rf-SQUID", 1996 Applied Superconductivity Conference, Pittsburgh, ESA-6, Aug. 1996, p. 168
    • [960500JJ] Paper: H. Kodaka and Y. Okabe, "Analysis of single flux quantum logic circuits using rf-SQUIDs", Advances in Superconductivity VIII, Vol.2, Springer-Verlag, May 1996, pp.1209-1212
    • [960424JJ] Paper: H.Kodaka and Y.Okabe, "Non-latching Operation of Single Flux Quantum Logic Circuit", Technical Report of IEICE, SCE96-8, Apr. 1996, pp.43-48 (in Japanese)
    • [960330JJ] Paper: H. Kodaka and Y. Okabe, "Analysis of single flux quantum logic-circuit in non-latching mode", Proceedings of the 1996 IEICE General Conference, C-467, Mar. 1996, p. 83 (in Japanese)
    • [960200M1] Paper: H. Kodaka, "Analysis on single flux quantum logic of non-latching mode", Master Thesis, Univ. of Tokyo (in Japanese)
    • [951102JJ] Paper: H. Kodaka and Y. Okabe, "Analyses of single flux quantum logic circuits using rf-SQUIDs", Abstracts of 8th International Symposium on Superconductivity, DAP-24, Nov. 1995, p. 160
    • [950828JJ] Paper: H. Kodaka and Y. Okabe, "Studies pf single flux quantum digital device(II)", Extended Abstracts,1994 Autumn Meeting of the Japan Society of Applied Physics, No. 1, 28p-B-15, Aug. 1995, p.136 (in Japanese)
    • [950726JJ] Paper: H. Kodaka and Y. Okabe, "Analysis of Single Flux Quantum Logic Devices", Technical Report of IEICE, SCE95-18, Jul. 1995, pp.49-54 (in Japanese)
  • 1995-1998: T. Inui (M), NSFQ (Non-Latching Single Flux Quantum) Logic Circuit
    • [980200M1] Paper: T. Inui, "Transmission characteristics of signals on magnetically coupled SFQ circuits", Master Thesis, Univ. of Tokyo (in Japanese)
    • [970528JJ] Paper: H. Kodaka, T. Inui and Y. Okabe, "Theoretical analysis of flux propagation in rf-SQUID chain circuit", The 5th International Workshop on High-Temperature Superconducting Electron Devices (HTSED '97), May 1997, pp. 51-52
    • [970330JJ] Paper: T. Inui, H. Kodaka and Y. Okabe, "Signal propagation properties of non-latching single flux quantum logic circuit", Extended Abstracts (The 44th Spring Meeting, 1997); The Japan Society of Applied Physics and Related Societies, No. 1, 30a-SQ-28, Mar. 1997, p. 145 (in Japanese)
  • 1997-1998: A. Yamashita (B), Calculation of Superconductive Inductance
    • [980300B5] Paper: A. Yamashita, "Inductance calculation of superconductive small loop", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1995-1997: T. Watanabe (B), Quantum Observation Problem of Single Flux Quanta
    • [970300B1] Paper: T. Watanabe, "Observation problem of quantum mechanics using single flux quanta", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1996-1997: K. Sami (B), Calculation of Superconductive Inductance
    • [970330JJ] Paper: K. Sami and Y. Okabe, "Inductance calculation of microscopic superconducting loop", Extended Abstracts (The 44th Spring Meeting, 1997); The Japan Society of Applied Physics and Related Societies, No. 1, 30a-SQ-19, Mar. 1997, p. 142 (in Japanese)
  • 1995-1996: T. Nakazato (B), Calculation of Superconductive Inductandce
    • [970600JJ] Paper: T. Nakazato and Y. Okabe, "Inductance computation of microscopic superconducting loop", IEEE Transactions on Applied Superconductivity (ASC'96), Vol. 7, No.2, Jun. 1997, pp.3626--3629
    • [960829JJ] Paper: T. Nakazato and Y. Okabe, "Inductance computation of microscopic superconducting loop", 1996 Applied Superconductivity Conference, Pittsburgh, EVA-1, Aug. 1996, p. 180
    • [960424JJ] Paper: T.Nakazato and Y.Okabe, "Inductance Computation of Microscopic Superconducting Loop", Technical Report of IEICE, SCE96-9, Apr. 1996, pp.49-54 (in Japanese)
    • [960330JJ] Paper: T. Nakazato and Y. Okabe, "Inductance calculation for microscopic looped superconductor", Proceedings of the 1996 IEICE General Conference, C-465, Mar. 1996, p. 81 (in Japanese)
    • [960300B3] Paper: T. Nakasato, "Numerical analysis on small loopinductance of superconductor", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1990-1995: K. Suzuki (D), Design and Fabrication of High-Sensitivity DC SQUID Using Nb/AlOx/Nb Josephson Junctions
    • [950920JJ] Paper: K. Suzuki and Y. Okabe, "Analysis and fabrication of a 4-junction SQUID", Fifth International Superconductive Electronics Conference, ISEC'95, Sep. 1995, pp.368-370
    • [950600JJ] Paper: K. Suzuki and Y. Okabe, "Optimization of a dc SQUID magnetometer to minimize the field resolution", IEEE Transactions on Applied Superconductivity, Vol. 5, No.2, Jun. 1995, pp.2172--2175
• Josephson Devices
  • 1997-2002: H. Shiga, High Tc Superconductive interface device
    • [020300] Paper: H. Shiga and Y. Okabe, "HTS quasi-particle injection devices for interfaces between SFQ and CMOS circuits", IEICE Trans. Electron. Vol.E85-C, No.3, pp.650-653, Mar.2002.
    • [010914] Oral: H. Shiga and Y. Okabe, "Quasiparticle-injection type interface devices between superconductor and semiconductor circuits", Extended Abstracts (The 62nd Autumn Meeting, 2001); The Japan Society of Applied Physics, No.1, 14a-G-1, pp.193, Sep.2001 (in Japanese)
    • [010622] Poster: H. Shiga and Y. Okabe, "High-Tc quasi-particle injection devices for the interfaces between SFQ and CMOS circuits", Extended Abstracts of 8th International Superconductive Electronics Conference (ISEC'01), P3-17, pp.461-462, Jun.2001.
    • [010300] Paper: H. Shiga and Y. Okabe, "Quasi-particle injection devices for interfaces between superconductors and semiconductors", IEEE. Trans. Appl. Supercond., Vol.11, No.1, pp.940-943, Mar.2001.
    • [010329] Oral: H. Shiga and Y. Okabe, "Fabrication of a quasiparticle-injection device for superconductor-semiconductor interface", Extended Abstracts (The 48th Spring Meeting, 2001); The Japan Society of Applied Physics and Related Societies, No. 1, 29a-ZC-1, pp.292, Mar.2001 (in Japanese).
    • [000921] Poster: H. Shiga and Y. Okabe, "Quasi-particle injection device for the interface between superconductor and semidonductor", Abstracts of 2000 Applied Superconductivity Conference (ASC2000), 4EG03, pp.99, Sep.2000.
    • [000328] Poster: H. Shiga and Y. Okabe, "Fabrication of a quasiparticle injection device for superconductor-semiconductor interface", Extended Abstracts (The 47th Spring Meeting, 2000); The Japan Society of Applied Physics and Related Societies, No. 1, 28a-G-23, pp.269, Mar.2000 (in Japanese).
    • [990600] Paper: H. Shiga, Y. Soutome and Y. Okabe, "Fabrication of YBaCuO junctions by the irradiation of focused Be Ion Beam", IEEE. Trans. Appl. Supercond., Vol.9, No.2, pp.2890-2893, 1999.
    • [980914] Poster: H. Shiga, Y. Soutome and Y. Okabe, "Fabrication of YBaCuO junctions by the irradiation of focused Be Ion Beam", Abstracts of 1998 Applied Superconductivity Conference (ASC'98), Palm Desert, California, pp.62, Sept.1998.
    • [980328] Oral: H. Shiga, Y. Soutome and Y. Okabe, "Fabrication of a YBCO co-planar junction with a locally damaged region using Focused Ion Beam (II)", Extend Abstracts (The 45th Spring Meeting, 1998); The Japan Society of Applied Physics and Related Societies, No. 1, 28p-Z-9, pp.228, Mar.1998 (in Japanese).
  • 1999-2002: M. Matsushita(M1), Bi-crystal Josephson Junction
  • 1998-1999: K. Tanabe (B), Bi-crystal Josephson Junction
  • 1997-1998: T. Hosoki (B), Bi-crystal Josephson Junction using High Tc Superconductor
    • [980300B3] Paper: T. Hosoki, "Fabrication of bi-crytal Josephson junction using high Tc superconductor", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1990-1998: Y. Soutome (D), Fabrication of YBCO/nonsuperconductive-YBCO/YBCO co-planar Josephson Junction by Focused Ion Beam
    • [980100D1] Paper: Y. Soutome, "Study on YBaCuO co-planar Josephson junctions using FIB", Doctor Thesis, Univ. of Tokyo (in Japanese)
    • [971005JJ] Paper: H. Kodaka, Y. Soutome and Y. Okabe, "Single flux quantum circuit using DC-SQUID as a switching device", Extended Abstracts, The 58th Autumn Meeting, 1997, The Japan Society of Applied Physics, No. 1, 5a-ZA-3, Oct. 1997, p.226 (in Japanese)
    • [971004JJ] Paper: Y. Soutome and Y. Okabe, "Fabrication of a YBCO co-planar junction with a locally damaged region using Focused Ion Beam", Extended Abstracts,The 58th Autumn Meeting, 1997, The Japan Society of Applied Physics, No. 1, 4p-ZA-6, Oct. 1997, p.212 (in Japanese)
    • [970600JJ] Paper: Y. Soutome and Y. Okabe, "Magnetic field modulation of critical currents in YBaCuO co-planar Josephson junctions using fucused ion beam", IEEE Transactions on Applied Superconductivity (ASC'96), Vol. 7, No.2, Jun. 1997, pp.2311--2314
    • [970328JJ] Paper: Y. Soutome and Y. Okabe, "Estimation of the characteristics of FIB junctions by changing the thickness of YBCO thin film", Extended Abstracts (The 44th Spring Meeting, 1997); The Japan Society of Applied Physics and Related Societies, No. 1, 28a-SL-11, Mar. 1997, p. 104 (in Japanese)
    • [960908JJ] Paper: Y. Soutome and Y. Okabe, "Estimation of FIB Josephson junction using the magnetic field modulation of critical current", Extended Abstracts (The 57th Autumn Meeting, 1996, The Japan Society of Applied Physics, 8a-KC-11, Sep. 1996, p. 127 (in Japanses)
    • [960825JJ] Paper: Y. Soutome, T. Kamiya and Y. Okabe, "Magnetic field modulation of critical currents in YBaCuO co-planar Josephson junctions using fucused ion beam ", 1996 Applied Superconductivity Conference, Pittsburgh, EBB-10, Aug. 1996, p. 94
    • [960500JJ] Paper: Y. Soutome and Y. Okabe, "Magnetic field properties of YBaCuO/nonsuperconductive-YBaCuO/YBaCuO co-planar Josephson junction using fucused ion beam ", Advances in Superconductivity VIII, Vol.2, Springer-Verlag, May 1996, pp.1113-1116
    • [951102JJ] Paper: Y. Soutome and Y. Okabe, "Magnetic field properties of YBaCuO/nonsuperconductive-YBaCuO/YBaCuO co-planar Josephson junction using fucused ion beam ", Abstracts of 8th International Symposium on Superconductivity, DAP-9, Nov. 1995, p. 153
    • [950919JJ] Paper: Y. Soutome and Y. Okabe, "Estimation of YBaCuO/nonsuperconductive-YBaCuO/YBaCuO co-planar Josephson junction by focused ion beam", Fifth International Superconductive Electronics Conference, ISEC'95, Sep. 1995, pp.78-80
    • [950826JJ] Paper: Y. Soutome and Y. Okabe, "Magnetic field properties of YBCO co-planar Josephson junction using FIB", Extended Abstracts,1994 Autumn Meeting of the Japan Society of Applied Physics, No. 1, 26p-R-12, Aug. 1995, p.106 (in Japanese)
    • [950600JJ] Paper: Y. Soutome, Y.G. Gheem and Y. Okabe, "Fabrications of YBaCuO/nonsuperconductive-YBaCuO/YBaCuO co-planar Josephson junction by focused ion beam", IEEE Transactions on Applied Superconductivity, Vol. 5, No.2, Jun. 1995, pp.2624-2627
    • [950500JJ] Paper: Yunnghee Kim, Y. Soutome, H. Kimura and Y. Okabe, "Co-planar Josephson junction using nonsuperconductive YBaCuO formed on very locally damaged substrate by FIB", IEICE Transactions on Electronics, Vol. E78-C, No. 5, May 1995, pp.471-475
  • 1993-1998: S. Ohya (R), Josephson Junction of BSCCO Superconducting Thin Filmes Grown on Substrates Irradiated with Focused Ion Beam
    • [970330JJ] Paper: S. Ohya, J.Y. Ahn, S. Karasawa and Y. Okabe, "Fabrication of Nb doped SrTiO3 thin films by pulsed laser ablation", Extended Abstracts (The 44th Spring Meeting, 1997); The Japan Society of Applied Physics and Related Societies, 30pZM/II, Mar. 1997, p.508 (in Japanese)
  • 1996-1997: Hirata (B), Bi-crystal Josephson Junction
    • [970300B3] Paper: K. Hirata, "Fabrication of YBCO bi-crystal Josephson junctions", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1992-1996: K. Matsumoto (D), Low Temperature Etching for Small Area Josephson Junction
    • [960100D] Paper: K. Matsumoto, "Study on micro fabrication process of Nb Josephson device and its application", Doctor Thesis, Univ. of Tokyo (in Japanese)
    • [950829JJ] Paper: K. Matsumoto and Y. Okabe, "Study of rare gases additional effect in niobium dry-etching process", Extended Abstracts,1994 Autumn Meeting of the Japan Society of Applied Physics, No. 1, 29a-B-1, Aug. 1995, p.154 (in Japanese)
  • 1995-1996: T. Kamiya (B), YBCO Thin Film Growth by rf Sputtering Method
    • [960825JJ] Paper: Y. Soutome, T. Kamiya and Y. Okabe, "Magnetic field modulation of critical currents in YBaCuO co-planar Josephson junctions using fucused ion beam ", 1996 Applied Superconductivity Conference, Pittsburgh, EBB-10, Aug. 1996, p. 94
    • [960300B1] Paper: T. Kamiya, "Fablication of Josephson device using oxide high-Tc superconductor", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
    • Y. Soutome, T. Kamiya and Y. Okabe, "Magnetic field modulation of critical currents in YBaCuO co-planar Josephson junctions using fucused ion beam ", 1996 Applied Superconductivity Conference, Pittsburgh, EBB-10, Aug. 1996, p. 94
  • 1994-1995: H. Kodaka (M), Fabrication of YBCO/nonsuperconductive-YBCO/YBCO co-planar Josephson Junction by Focused Ion Beam
• Fabrication and Characterization of High Tc Superconductive Film
  • 1995-1996: J. Izuru (R) YBCO Thin Film Growth by rf Sputtering Method
  • 1990-1995: M. Miyazaki (D), Properties of the Interface between YBCO and PBCO
    • [950600JJ] Paper: M. Miyazaki and Y. Okabe, "Superconducting and normal conducting characteristics of (YxPr1-x)Ba2Cu3O7-d thin films", IEEE Transactions on Applied Superconductivity, Vol. 5, No. 2, Jun. 1995, pp.1649-1652
    • [950500JJ] Paper: M. Miyazaki, K. Tanabe, M. Suzuki, K. Tanaka, M. Sekine and Y. Okabe, "Transition properties of (PrxY1-x)Ba2Cu3O7-d thin films", Advances in Superconductivity VII, Vol.2, Springer-Verlag, May 1995, pp.967-970
  • 1990-1995: H. Kimura (R), Electrical Properties of PBCO thin film
    • H, Kimura and Y. Okabe, "Fabrication of field effect devices based on YBaCuO/PrBaCuO/YBaCuO junctions", IEEE Transactions on Applied Superconductivity, Vol. 5, No. 2, Jun. 1995, pp.2616-2619
    • H. Kimura, H. Kamijo and Y. Okabe, "Electric field effect in YBaCuO/PrBaCuO/YBaCuO junctions", Advances in Superconductivity VII, Vol.2, Springer-Verlag, May 1995, pp.1079-1082
    • H. Kimura, H. Watabe, K. Mukae and Y. Okabe, "The electrical properties of PrBaCuO in YBaCuO/PrBaCuO/YBaCuO junction", Advances in Superconductivity VI, Springer-Verlag, May 1994, pp.1067-1070
  • 1989-1994: T. Ohmameuda (D), Junction Capacitance of PBCO/YBCO Structure
    • [950515JJ] Paper: T. Ohmameuda and Y. Okabe, "Capacitance-voltage characteristics of Au/PrBa2Cu3Oy/YBa2Cu3Ox structure measured at 4.2K", Japanese Journal of Applied Physics, Vol. 34, No. 5A, May 1995, pp. 2300-2303
    • [950500JJ] Paper: T. Ohmameuda and Y. Okabe, "Capacitance and resistance measurement of Au/PrBa2Cu3Oy/YBa2Cu3Ox structure at 4.2K", IEICE Transactions on Electronics, Vol. E78-C, No. 5, May 1995, pp.476-480
    • [940500JJ] Paper: T. Ohmameuda and Y. Okabe, "Junction Capacitance of YBa2Cu3Ox/PrBa2Cu3Oy structure measured at 4.2K", International Workshop on High-Temperature Superconducting Electron Devices (HTSED workshop '94), Pa-7, May 1994, p.9

Bio-Magnetism

• Inverse Problem of MagnetoEncephaloGraphy
  • 1997-1999: T. Ozeki (M), Study on Brain Activity by MEG Measurements
    • [980523BM] Oral: T. Ozeki, S. Akahane and Y. Okabe, "Inverse analysis of biomagnetic fields by selective minimum-norm method"(PDF file), The Journal of Japan Biomagnetism and Bioelectromagnetics Society, 1-A-11, Vol. 11, No. 1, May 1998, pp.102-103 (in Japanese)
    • [980829BM] Oral: S. Akahane, T. Ozeki, K. Matsuura and Y. Okabe, "A Robust Estimation by Selective Minimum-Norm Method"(PDF file), Abstracts, 11th International Conference on Biomagnetism, Biomag98, Sendai, Aug. 1998, p.79
    • [990523BM] Oral: T. Ozeki, T. Imada and Y. Okabe, "MEGs during Access to a Mental Lexicon"(PDF file), The Journal of Japan Biomagnetism and Bioelectromagnetics Society, 2-A-20, Vol. 12, No. 1, May 1999, pp. 178-179 (in Japanese)
  • 1998-1999: F. Sekine (B) Inverse-Problem Analysis of Biomagnetism
  • 1996-1998: S. Akahane (M), Selective Minimum-Norm Solution of the Biomagnetic Inverse Problem
    • [980523BM] Paper: T. Ozeki, S. Akahane and Y. Okabe, "Inverse analysis biomagnetic fields by selective minimum-norm method", The Journal of Japan Biomagnetism and Bioelectromagnetics Society, 1-A-11, Vol. 11, No. 1, May 1998, pp.102-103 (in Japanese)
    • [980200M3] Paper: S. Akahane, "Study on MEG analysis by SMN method and reduction of external noise", Master Thesis, Univ. of Tokyo (in Japanese)
    • [970519BM] Paper: S. Akahane, K. Matsuura and Y. Okabe, "A three-dimensional multi-dipole estimation by selective minimum-norm method", NeuroImage Vol. 5, No. 4, 3rd International Conf. on Functional Mapping of the Human Brain, May 19-23, 1997, Copenhagen, Denmark, p. 435
  • 1997-1998: S. Miyasaka (B), Selective Minimum-Norm Solution of the Biomagnetic Inverse Problem
    • [980300B4] Paper: S. Miyasaka, "MEG inverse probem analysis by selective minimum norm method", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1991-1997: K. Matsuura (D), Selective Minimum-Norm Solution of the Biomagnetic Inverse Problem
    • [970800BM] Paper: K. Matsuura and Y. Okabe, "A robust reconstruction of sparse biomagnetic sources", IEEE Transactions on Biomedical Engineering, Vol. 44, No. 8, August 1997, pp. 720-726
    • [970519BM] Paper: S. Akahane, K. Matsuura and Y. Okabe, "A three-dimensional multi-dipole estimation by selective minimum-norm method", NeuroImage Vol. 5, No. 4, 3rd International Conf. on Functional Mapping of the Human Brain, May 19-23, 1997, Copenhagen, Denmark, p. 435
    • [970125BM] Paper: K. Matsuura and Y. Okabe, "Estimation of bio-magnetism: Inverse problem", Bio-Magnetic Science: SQUID Measurement and its Medical Application, Ohmusha, Jan. 1997, pp.101-123
    • [970100D1] Paper: K. Matsuura, "Study on linear estimation of multi-signal source at inverse problem of bio-magnetism", Doctor Thesis, Univ. of Tokyo (in Japanese)
    • [961100BM] Paper: K. Matsuura, N. Shimizu and Y. Okabe, "Reconstruction of sparse diapole source by a modified SMN method", Visualization of information processing in the human brain: recent advances in MEG and functional MRI (EEG Suppl. 47), Elsevier, pp. 421-429
    • [961101BM] Paper: K. Matsuura and Y. Okabe, "Lp-normalized minimum-L1-norm solution of the biomagnetic inverse problem ", Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (18th Ann. Int. Conf. of IEEE EMBS)
    • [960327BM] Paper: N. Shimizu, K. Matsuura and Y. Okabe, "Selective minimum-norm estimation of magnetic-field source in a realistic phantom", 1996 National Convention of IEEJ, Mar. 1996, p. 297 (in Japanese)
    • [960327BM] Paper: K. Matsuura, K. Yamanami and Y. Okabe, "A robust inverse analysis of magnetocardiography by selective minimum-norm method", 1996 National Convention of IEEJ, Mar. 1996, pp. 298-299 (in Japanese)
    • [960218BM] Paper: K. Matsuura and Y. Okabe , "Multiple current-dipole distribution reconstructed by modified selective minimum-norm method", Abstracts, Tenth International Conference on Biomagnetism, Biomag96, Santa Fe, Feb. 1996, p. 145
    • [960120BM] Paper: K. Matsuura and Y. Okabe, "Reconstruction of sparse biomagnetic-source distribution", The Transactions of IEEJ, A Publication of Electronics, Information and Systems Society, Vol. 116-C, No. 2, Jan. 1996, pp. 223-229 (in Japanese)
    • [951128BM] Paper: K. Matsuura, K. Yamanami and Y. Okabe, "Tracking Magnetic Source of Heart by SMN method.", Tech. Rep. of IEEJ, Magnetics, MAG-95-143(Toyohashi), Nov. 1995, pp.11-20 (in Japanese)
    • [951012BM] Paper: K. Matsuura, N. Shimizu and Y. Okabe, "Reconstruction of Sparse Dipole Source by Modified SMN method ", Abstracts of 10th Tokyo Institute of Psychiatry International Symposium, Oct. 1995, p. 83
    • [950627BM] Paper: K. Matsuura and Y. Okabe, "A Parametric Simplex Algorithm for Multi-Dipole Estimation", Human Brain Mapping, Abstract of 1st Int. Conf. on Functional Mapping of the Human Brain, Supplement 1, Jun. 1996, p. 104
    • [950612BM] Paper: K. Matsuura, K. Yamanami and Y. Okabe, "Multi-dipole analysis of MCG data by SMN method", Tech. Rep. of IEEJ, Magnetics, MAG-95-67, Jun. 1995, pp. 69-78 (in Japanese)
    • [950600BM] Paper: K. Matsuura and Y. Okabe, "Selective minimum-norm solution of the biomagnetic inverse problem", IEEE Transactions on Biomedical Engineering, Vol. 42, No. 6, Jun. 1995, pp.608-615
    • [950528BM] Paper: K. Yamanami, K. Matsuura and Y. Okabe, "MCG analysis by selective minimum-norm method", The journal of Japan Biomagnetism and Bioelectromagnetics Society, Vol. 8, No. 1, May 1995, pp.288-289 (in Japanese)
    • [950527BM] Paper: K. Matsuura and Y. Okabe, "Noise sensitivity of the selective minimum-norm method", The journal of Japan Biomagnetism and Bioelectromagnetics Society, Vol. 8, No. 1, May 1995, pp.142-145 (in Japanese)
    • [950500BM] Paper: K. Matsuura and Y. Okabe, "Multi-dipole estimation by selective-minimum-norm method", Biomagnetism: Fundamental Research and Clinical Applications, Elsevier Science, IOS Press, Ohmsha, 1995, pp.381-384
  • 1995-1996: N. Shimizu (B), Analysis of Realistically-Shaped Phantom Data
    • [961100BM] Paper: K. Matsuura, N. Shimizu and Y. Okabe, "Reconstruction of sparse diapole source by a modified SMN method", Visualization of information processing in the human brain: recent advances in MEG and functional MRI (EEG Suppl. 47), Elsevier, pp. 421-429
    • [960531BM] Paper: K. Matsuura and Y. Okabe, "Normalization of the lead-field matrix for the estimation of biomagnetic sources", The Journal of Japan Biomagnetism and Bioelectromagnetics Society, Vol. 9, No. 1, May 1996, pp. 54-57 (in Japanese)
    • [960327BM] Paper: N. Shimizu, K. Matsuura and Y. Okabe, "Selective minimum-norm estimation of magnetic-field source in a realistic phantom", 1996 National Convention of IEEJ, Mar. 1996, p. 297 (in Japanese)
    • [960300B2] Paper: N. Shimizu, "Analysis on bio-magnetism by selective minimum norm method", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
    • [951012BM] Paper: K. Matsuura, N. Shimizu and Y. Okabe, "Reconstruction of Sparse Dipole Source by Modified SMN method ", Abstracts of 10th Tokyo Institute of Psychiatry International Symposium, Oct. 1995, p. 83
  • 1994-1995: K. Yamanami (B), Selective Minimum-Norm Solution of the Magnetocardiographic Signals
    • [960327BM] Paper: K. Matsuura, K. Yamanami and Y. Okabe, "A robust inverse analysis of magnetocardiography by selective minimum-norm method", 1996 National Convention of IEEJ, Mar. 1996, pp. 298-299 (in Japanese)
    • [951128BM] Paper: K. Matsuura, K. Yamanami and Y. Okabe, "Tracking Magnetic Source of Heart by SMN method.", Tech. Rep. of IEEJ, Magnetics, MAG-95-143(Toyohashi), Nov. 1995, pp.11-20 (in Japanese)
    • [950612BM] Paper: K. Matsuura, K. Yamanami and Y. Okabe, "Multi-dipole analysis of MCG data by SMN method", Tech. Rep. of IEEJ, Magnetics, MAG-95-67, Jun. 1995, pp. 69-78 (in Japanese)
    • [950528BM] Paper: K. Yamanami, K. Matsuura and Y. Okabe, "MCG analysis by selective minimum-norm method", The journal of Japan Biomagnetism and Bioelectromagnetics Society, Vol. 8, No. 1, May 1995, pp.288-289 (in Japanese)
  • 1993-1994: Evaluation of the Selective Minimum-Norm Method (N. Horii)

Neural Networks

• Self-Organization by Moderatism
  • 1998-2001: K. Machiyama (M), Neural Network Learning by Moderatism
    • [990920NN] Oral: K. Machiyama and Y. Okabe, "A new learning law for neural networks based on "Moderatism"", 1999 Annual Conference of Japansese Neural Network Society, P1-10 (16), Sep. 1999, pp. 34-35 (in Japanese)
    • [990327NN] Oral: K. Machiyama and Y. Okabe, "The learning law of neural networks by moderatism", Proceedings of the 1999 IEICE general conference, D-2-11, Mar. 1999, p. 18 (in Japanese)
    • [990300B4] UnderGr: K. Machiyama, "Improvement of Moderatism learning algorithm", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1998-2000: D. Ishimaru (B), Simulation of Neural Networks
    • [000300B4] UnderGr: Dai Ishimaru, "Simulation of leaning of neural network based on Moderatism", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1999-2000: K. Saito (B), Simulation of Neural Networks
    • [000313NN] Peport: K. Saito and Y. Okabe, "A self-organized learning based on "moderatism" in neural networks with feedback loops", Technical Report of IEICE, Vol.99 No. 684, NC99-109, Mar. 2000, pp. 125-131 (in Japanese)
    • [000300B4] UnderGr: K. Saito, "A self-organized learning based on "Moderatism" in neural networks with feedback loops", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1996-1998: T. Kamiya (M), Learning of Digital Sequential Logic Circuit
    • [980200M2] Paper: T. Kamiya, "Study on self-organization of sequential machines by feedback learning", Master Thesis, Univ. of Tokyo (in Japanese)
  • 1996-1998: T. Kakegawa (M), Learning of Recurrent Network by Moderationism
    • [980200M4] Paper: T. Kakegawa, "Generation of programs using genetic programming", Master Thesis, Univ. of Tokyo (in Japanese)
  • 1995-1997: Y. Asano (M), Learning by Moderationism
    • [970318NN] Paper: Y. Asano and Y. Okaben, "Learning of signal ampulitude based on moderationism", Technical Report of IEICE, NC96-174, Mar. 1997, pp. 145-152 (in Japanese)
    • [970200M1] Paper: Y. Asano, "Recurrent neural networks self-organized by external varying signal", Master Thesis, Univ. of Tokyo (in Japanese)
    • [951019NN] Paper: Y. Asano and Y. Okabe, "Robot arm experiment of reflex arc formation based on moderationism", 1995 Annual Conference of Japanese Neural Network Society, P2-15, Oct. 1995, pp.167-168 (in Japanese)
  • 1996-1997: Y. Fushiki (B), Investigation of Learning Mechanism by Psycho-Physical Experiment
    • [970300B4] Paper: Y. Fushiki, "Learning of cost function at formation of neural networks", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
  • 1992-1996: H. Hayashi (D), Oscillation by Recurrent Neural Networks
    • [980423NN] Paper: Y. Okabe,T. Kouhara, H. Hayashi and A. Narusawa, "Moderatism: New concept for self-organization of neural networks", Proceedings KES'98 Adelaide,1998 Second International Conference on Knowledge-based Intelligent Electronic Systems, Vol. 3, Apr. 1998, pp. 246-249
    • [960724NN] Paper: H. Hayashi and Y. Okabe, "Mechanism of self-excitatory oscillation in neural networks", Technical Report of IEICE, NC96-22, Jul. 1996, pp.1-8 (in Japanese)
    • [960621D] Paper: H. Hayashi, "Study on mechanism of self-oscillation and self-organization in neural networks", Doctor Thesis, Univ. of Tokyo (in Japanese)
  • 1994-1996: A. Narusawa (M), Neural Learning by Moderationism Principle
    • [980423NN] Paper: Y. Okabe,T. Kouhara, H. Hayashi and A. Narusawa, "Moderatism: New concept for self-organization of neural networks", Proceedings KES'98 Adelaide,1998 Second International Conference on Knowledge-based Intelligent Electronic Systems, Vol. 3, Apr. 1998, pp. 246-249
    • [960200M2] Paper: A. Narusawa, "Study on neural networks adapting using signal amplitude information", Master Thesis, Univ. of Tokyo (in Japanese)
    • [951018NN] Paper: A. Narusawa and Y. Okabe, "Moderationism-learning with emphasis on signal fluctuation width", 1995 Annual Conference of Japanese Neural Network Society, P1-14, Oct. 1995, pp.76-77 (in Japanese)
  • 1995-1996: C. Sakai (B), Learning of Digital Sequenctial Logic Circuit
  • 1993-1995: P. Wason (M), Neural Learning by Moderationism Principle
    • [951020NN] Paper: P. Wason and Y. Okabe, "Object fixation by unsupervised learning based on moderationism", 1995 Annual Conference of Japanese Neural Network Society, P3-20, Oct. 1995, pp.289-290
    • [950800M] Paper: W. Phakdeesattayaphong, "Object fixation by unsupervised learning based on moderationism", Master Thesis, Univ. of Tokyo
    • [950727NN] Paper: P. Wason and Y. Okabe, "Object fixation by unsupervised learning based on moderationism", Technical Report of IEICE, NC95-40, Jul. 1995, pp.87-93
• Dynamic Control of Robots by Neural Networks
  • 1999-2001: R. Touda (M), Dynamic Control of Robot by Neural Network
  • 1997-2000: M. Sawada (M), Dynamic Control of Robot by Neural Network
    • [000300M2] Paper: Makoto Sawada, "Generation of periodic motion of the robot with multiple joints by learning of neural networks", Master Thesis of Univ. of Tokyo (in Japanese)
    • [000122NN] Proc.: M. Sawada and Y. Okabe, "Generation of rhythmic motions of multi-joint robots with autonomic distributed neural networks which have learning sysytems", 12th SICE Symposium on Decentralized Autonomous systems (in Japanese)
    • [990909NN] Oral: M. Sawada and Y. Okabe, "Generation of rhythmic motions by neural networks", Proceedings of the 1999 Information and Systems Society Conference of IEICE, D-2-4, Sep. 1999, p. 8 (in Japanese)
    • [980329NN] Oral: M. Sawada, H. Kakeya, Y. Soutome and Y. Okabe, "Learning and dynamic control of horizontal bar motion", 1998 IEICE General Conference, D-2-11, Mar. 1998, p. 17(in Japanese)
    • [980300B2] Paper: M. Sawada, "Fabrication and control of crowbar gymnastic robot", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
• Associative Memory
  • 1995-1998: H. Kakeya (D), Associative Memory
    1. 1995-1998: Neuro-Window Networks for Flexible Associative Memory
    2. 1996-1998: Statistical Analysis of Neuro-Window Networks
    3. 1996-1998: Fast Algorithm for Parallel and Digital Computers in Combinatorial Optimization Problems
    4. 1997-1998: Geometry of Asymmetric Neural Networks
    • [980100D2] Paper: H. Kakeya, "Study on neural network dynamics", D3-167octor Thesis, Univ. of Tokyo (in Japanese)
    • [971200NN] Paper: H. Kakeya and Y. Okabe, "Geometrical analysis of neural networks with asymmetric weight", Technical Report of IEICE, NC97-57, Dec. 1997, pp. 17-24 (in Japanese)
    • [971107NN] Paper: K. Inoue, H. Kakeya, and Y. Okabe, "Neuro-Window Associative Memory with (0,1)Output", 1997 Annual Conference of Japanese Neural Network Society, JNNS'97 Kanazawa, P3-26, Nov. 1997, pp.238-239 (in Japanese)
    • [971107NN] Paper: H. Kakeya, M. Okada and Y. Okabe, "Statistical Neurodynamics of Neuro-Window Associative Memory", 1997 Annual Conference of Japanese Neural Network Society, JNNS'97 Kanazawa, P3-23, Nov. 1997, pp.232-233 (in Japanese)
    • [971105NN] Paper: H. Kakeya, and Y. Okabe, "Fast Search in Traveling Salesman Problem with Parallel and Synchronous Computers", 1997 Annual Conference of Japanese Neural Network Society, JNNS'97 Kanazawa, P1-3, Nov. 1997, pp.31-32 (in Japanese)
    • [970612NN] Paper: H. Kakeya and Y. Okabe, "Parallel and synchronous search for combinatory quasi-optimum solutions", Proceedings, 1997 International Conference on Neural Networks (ICNN'97), Vol. 2, Jun. 1997, pp. 1284-1288
    • [970610NN] Paper: H. Kakeya and Y. Okabe, "Capacity expansion and concept formation in sequential associative memory", Proceedings, 1997 International Conference on Neural Networks (ICNN'97), Vol. 2, Jun. 1997, pp. 1332-1337
    • [970317NN] Paper: H. Kakeya, M. Okada and Y. Okabe, "Statistical Neurodynamics of Partial Reverse Method", Technical Report of IEICE, NC96-127, Mar. 1997, pp. 111-118 (in Japanese)
    • [970206NN] Paper: H. Kakeya and Y. Okabe, "Combinatory Optimum Solution Search under Discrete and Synchronous Dynamics", Technical Report of IEICE, NLP96-125, NC96-79, Feb. 1997, pp. 9-16 (in Japanese)
    • [960911NN] Paper: H. Kakeya, T. Kindo and Y. Okabe, "Neuro-window networks for sequential associative memory ", 1996 Annual Conference of Japanese Neural Network Society, JNNS'96 Nagoya, P3-5, Sep. 1996, pp. 255-256 (in Japanese)
    • [960909NN] Paper: H. Kakeya and Y. Okabe, "Firing rate in the hidden layer of multilayer perception trained by back-propagation", 1996 Annual Conference of Japanese Neural Network Society, JNNS'96 Nagoya, P1-22, Sep. 1996, pp. 98-99 (in Japanese)
    • [960909NN] Paper: H. Kakeya, M. Okada and Y. Okabe, "S/N Analysis of neuro-window associative memory", 1996 Annual Conference of Japanese Neural Network Society, JNNS'96 Nagoya, O4-2, Sep. 1996, pp. 49-50 (in Japanese)
    • [960318NN] Paper: H. Kakeya, T. Kindo, M. Okada and Y. Okabe, "Analysis of continuous-time neuro-window networks", Technical Report of IEICE, NC95-131, Mar. 1996, pp. 121-128 (in Japanese)
  • 1997-1998: K. Inoue (B), Associative Memory
    • [980300B1] Paper: K. Inoue, "Analysis on recalling process in associative memory", Undergraduate Thesis, Univ. of Tokyo (in Japanese)
    • [971107NN] Paper: K. Inoue, H. Kakeya, and Y. Okabe, "Neuro-Window Associative Memory with (0,1)Output", 1997 Annual Conference of Japanese Neural Network Society, JNNS'97 Kanazawa, P3-26, Nov. 1997, pp.238-239 (in Japanese)
    • [951018NN] Paper: H. Kakeya, T. Kindo and Y. Okabe, "Eigenspace of the memory matrix given by correlation learning with nonmonotonic neurons", 1995 Annual Conference of Japanese Neural Network Society, P1-28, Oct. 1995, pp.103-104 (in Japanese)
• Self-Organization by Reinforcement Learning
  • 1992-1997: K. Shibata (D, R), Reinforce Learning of Neural Networks
    1. 1994-1997: Active Perception based on Reinforcement Learning
    2. 1993-1997: Local Sensory Signals Integration Learning and Some Models of Visual Systems
    3. 1992-1997: Delayed Reinforcement Learning
    4. 1992-1997: Multiple Sensor Integration Learning
    • [980504NN] Paper: K. Shibata, Y. Okabe and K Ito, "Simple Learning Algorithm for Recurrent Networks to Realize Short-Term Memories", Proceedings of IJCNN'98, May 4-9, 1998, pp.2367-2372
    • [980311NN] Paper: K. Shibata, K. Ito and Y. Okabe, "Direct-vision-based reinforcement learning in "Going to a target" task with an obstacle and with a variety of target sizes", Proc. of NUERAP'98, International Conference on NEURAL networks & their Applications, Marseille, Mar. 1998, pp. 95-102
    • [971107NN] Paper: K. Shibata, Y. Okabe and K. Ito, "Simple Learning Algorithm for Recurrent Networks to Realize Short-Term Memories", 1997 Annual Conference of Japanese Neural Network Society, JNNS'97 Kanazawa, P3-19, Nov. 1997, pp.224-225 (in Japanese)
    • [970914NN] Paper: K. Shibata and Y. Okabe, "Reinforcement learning with visual inputs by a neural network", Extended Abstract, The 15th Annual Meeting, Robotics Society, Japan (in Japanese)
    • [970900NN] Paper: K. Shibata and Y. Okabe, "Temporal smoothing learning", Trans. IEE of Japan, Vol. 117-C, No. 9, Sep. 1997, pp.1291-1299 (in Japanese)
    • [970609NN] Paper: K. Shibata and Y. Okabe, "Reinforcement learning when visual sensory signals are directly given as inputs", Proceedings, 1997 International Conference on Neural Networks (ICNN'97), Vol. 3, Jun. 1997, pp. 1716-1720
    • [970608NN] Paper: K. Shibata and Y. Okabe, "Learning of multiple dimensions of information extraction by correlated information extracting neural network", JSME Annual Conference on Robotics and Mechatronics (ROBOMEC'97), Vol. B, 8A4-302, Jun. 1997, pp. 783-784 (in Japanese)
    • [970317NN] Paper: T. Nishino, K. Shibata and Y. Okabe, "Learning of viewpoint movement by delayed reinforcement signal", Technical Report of IEICE, NC96-135, Mar. 1997, pp. 171-178 (in Japanese)
    • [970100D3] Paper: K. Shibata, "Study on autonomic learning system of neural networks", Doctor Thesis, Univ. of Tokyo (in Japanese)
    • [961205NN] Paper: K. Shibata, T. Nishino and Y. Okabe, "Learning of active perception based on reinforcement learning", The Brain & Neural Networks, Vol. 3, No. 4, Dec. 1996, pp. 126-134 (in Japanese)
    • [960910NN] Paper: K. Shibata and Y. Okabe, "Temporal smoothing learning and integration of local sensory signals", 1996 Annual Conference of Japanese Neural Network Society, JNNS'96 Nagoya, O6-3, Sep. 1996, pp.178-179 (in Japanese)
    • [960909NN] Paper: K. Shibata and Y. Okabe, "Delayed reinforcement learning when visual sensory signals are given as inputs", 1996 Annual Conference of Japanese Neural Network Society, JNNS'96 Nagoya, P1-47, Sep. 1996, pp.144-145 (in Japanese)
    • [960905NN] Paper: K. Shibata and Y. Okabe, "Integration of local sensory signals and extraction of spatial information based on temporal smoothing learning", The Brain & Neural Networks, Vol. 3, No. 3, Sep. 1996, pp. 98-105 (in Japanese)
    • [960305NN] Paper: K. Shibata and Y.Okabe, "Unsupervised learning of the spatial rRecognition ability using thecorrelated information extracting neural network", The Brain & Neural Networks, Vol. 3, No.1, Mar. 1996, pp.11-16 (in Japanese)
    • [951127NN] Paper: K. Shibata and Y. Okabe, "Some learning models of visual system based on local sensory signals integration learning", ICNN'95, Proceedings of IEEE International Conference on Neural Networks, IEEE World Congress on Computational Intelligence, Vol. IV, Nov. 1995, pp. 1986-1990
    • [951020NN] Paper: K. Shibata and Y.Okabe, "Unserpervised learning to extract the depth of an ofject on a stereo vision using the correlated information extracting neural network", 1995 Annual Conference of Japanese Neural Network Society, O6-4, Oct. 1995, pp.231-232 (in Japanese)
    • [950720NN] Paper: K. Shibata, T. Nishino and Y. Okabe, "Active perception based on reinforcement learning", World Congree on Neural Networks, WCNN'95 Washington D.C., Proc.II, Jul. 1995, pp.170-171
  • 1994-1997: T. Nishino (M), Effective Pattern Recognition based on Active Perception Learning
    • [970317NN] Paper: T. Nishino, K. Shibata and Y. Okabe, "Learning of viewpoint movement by delayed reinforcement signal", Technical Report of IEICE, NC96-135, Mar. 1997, pp. 171-178 (in Japanese)
    • [970200M2] Paper: T. NIshino, "Learning of eye-motion by delayed reinforcement signal", Master Thesis, Univ. of Tokyo (in Japanese)
    • [961205NN] Paper: K. Shibata, T. Nishino and Y. Okabe, "Learning of active perception based on reinforcement learning", The Brain & Neural Networks, Vol. 3, No. 4, Dec. 1996, pp. 126-134 (in Japanese)
    • [950720NN] Paper: K. Shibata, T. Nishino and Y. Okabe, "Active perception based on reinforcement learning", World Congree on Neural Networks, WCNN'95 Washington D.C., Proc.II, Jul. 1995, pp.170-171
• Pulse Neural Networks and Self-Organization
  • 1994-1997: N. Ichinose (D), Event Dynamics on Pacemaker Networks
    1. 1995-1997: Pulse Neural Networks and Functional Connectivities
    2. 1996-1997: Self-organizations on Correlation Coding
    • [970305NN] Paper: N. Ichinose, K. Aihara and Y. Okabe, "Correlation coding and adaptation of delays on pulse neural networks", The Brain & Neural Networks, Vol. 4, No. 1, Mar. 1997, pp. 10-17 (in Japanese)
    • [970100D2] Paper: N. Ichinose, "Pulse coding of neural networks and its learning", Doctor Thesis, Univ. of Tokyo (in Japanese)
    • [960909NN] Paper: N. Ichinose, K. Aihara and Y. Okabe, "Self-organization on correlation coding", 1996 Annual Conference of Japanese Neural Network Society, JNNS'96 Nagoya, P1-23, Sep. 1996, pp.100-101 (in Japanese)
    • [951127NN] Paper: N. Ichinose, K. Aihara and Y. Okabe, "An analysis of coincidence detector networks", ICNN'95, Proceedings of IEEE International Conference on Neural Networks, IEEE World Congress on Computational Intelligence, Vol. III, Nov. 1995, pp. 1525-1529
    • [951019NN] Paper: N. Ichinose and Y. Okabe, "A model of coincidence detecting neurons of short-term bursts and time-correlation learning", 1995 Annual Conference of Japanese Neural Network Society, P2-12, Oct. 1995, pp.161-162 (in Japanese)
  • 1998-2001: T. Kanamaru (D3), Dynamical Characteristics of Pulse Neural Networks
    • [001215NN] Paper: Takashi Kanamaru "Roles of Fluctuations in Pulsed Neural Networks", Ph.D. thesis of Univ. of Tokyo.
    • [001201NN] Paper: Takashi Kanamaru and Yoichi Okabe, "Stochastic Resonance in a pulse neural network with a propagational time delay" BioSystems, 58 (2000) pp.101-107.
    • [000923NN] Proc: T. Kanamaru, T. Horita, and Y. Okabe, "Array-Enhanced Stochastic Resonance in the Coupled FitzHugh-Nagumo System", Meeting Abstracts of the Physical Society of Japan, 55-th Annual Meeting, Vol. 55, Issue 2, Part 2, 23pPSA-23 (2000) p. 242. (in Japanese)
    • [000905NN] Proc: T. Kanamaru, and Y. Okabe, "Associative Memory Retrieval Induced by Fluctuations in a Pulsed Neural Network", 2000 Annual Conference of Japansese Neural Network Society, P-619, Sep. 2000, p. 257. (in Japanese)
    • [000801NN] Paper: Takashi Kanamaru, and Yoichi Okabe, "Associative memory retrieval induced by fluctuations in a pulsed neural network", Physical Review E, 62 (2000) pp.2629-2635.
    • [000325NN] Proc: T. Kanamaru, Y. Okabe "The dynamics of associative memory in a sparsely encoded pulse neural network", Meeting Abstracts of the Physical Society of Japan, Sectional Meeting, Vol. 55, Issue 1, Part 2, 25a-PS-21, Mar. 2000, p.257 (in Japanese)
    • [991013NN] Proc: T. Kanamaru and Y. Okabe: "Stochastic Resonance in the Pulse Neural Network with the Propagational Time Delay", Proceedings of the 3rd International Workshop on Neuronal Coding '99 (1999) pp. 105-108.
    • [991006NN] Proc: T. Kanamaru and Y. Okabe "Fluctuation-induced Memory Retrieval in the Associative Memory of Spiking Neurons", Proceedings of 1999 Japan-China Symposium on Advanced Information Technology (1999) pp. 177-184.
    • [990924NN] Proc: T. Kanamaru, T. Horita, Y. Okabe "Stochastic Resonance and On-off Intermittency in the Coupled Chaotic System", Meeting Abstracts of the Physical Society of Japan, Sectional Meeting, Vol. 54, Issue 2, Part 2, 24p-Q-12, Sep. 1999, p.201 (in Japanese)
    • [990920NN] Proc: T. Kanamaru, Y. Okabe, "Memory retrieval induced by the fluctuation in the associative memory of spiking neurons", 1999 Annual Conference of Japansese Neural Network Society, O1-2 (2), Sep. 1999, pp. 7-8. (in Japanese)
    • [990500NN] paper: Takashi Kanamaru, Takehiko Horita, Yoichi Okabe, "Stochastic Resonance for the Superimposed Periodic Pulse Train", Physics Letters A 255 (1999) 23-30
    • [990331NN] Proc: Takashi Kanamaru, Yoichi Okabe "The Effect of Fluctuation in Pulsed Neural Networks", Meeting Abstracts of the Physical Society of Japan, 54th Annual Meeting, Vol. 54, Issue 1, Part 3, 31a-XC-12, Mar. 1999, p.692 (in Japanese)
    • [990327NN] Proc: Takashi Kanamaru, Yoichi Okabe "Separation of the Superimposed Periodic Pulse Train by Noisy Pulse Neural Networks", Proceedings of the 1999 IEICE general conference (D-2-10) (1999) 17 (in Japanese)
    • [981200NN] paper: Takashi Kanamaru, Takehiko Horita, Yasunori Okabe, "Stochastic Resonance in the Hodgkin-Huxley Network", Journal of the Physical Society of Japan 67 (1998) 4058-4063
    • [980925NN] Proc: T. Kanamaru, T. Horita, Y. Okabe "Stochastic Resonance for the Superimposed Periodic Pulse Train", Meeting Abstracts of the Physical Society of Japan, Sectional Meeting, Vol. 53, Issue 2, Part 3, 25a-H-9, Sep. 1998, p.736 (in Japanese)
    • [980720NN] poster: T. Kanamaru, "Stochastic Resonance in the Hodgkin-Huxley Network", Book of abstracts STATPHYS 20 in Paris, PO05/50, Jul. 1998
    • [980330NN] Proc: T. Kanamaru, T. Horita, "Stochastic Resonance in the Hodgkin-Huxley Network", Meeting Abstracts of the Physical Society of Japan, Sectional Meeting, Vol. 53, Issue 1, Part 3, 30p-YJ-2, Mar. 1998, p.642 (in Japanese)
  • 1995-1996: M. Hiruta (B), Behavior of Pulse Coding Neuron
    • [960315J] Paper: M. Hiruta, "Neural networks for squential pattern on pulse train", Undergraduate Thesis, Kanagawa Univ. (in Japanese)
• Learning by Error-Back-Propagation Method
  • 1994-1996: W. Zhang (R), Pattern Recognition by Neural Networks
• AI Oriented Applications
  • 1995-present: H. Kohmoto (D3), Inductive Equation Proof Model
    • [971006NN] Paper: H. Kohmoto and Y. Okabe, "Evolution and statistical physics of binary tree data ", Meeting Abstracts of the Physical Society of Japan, Sectional Meeting, Oct. 1997, Vol. 52, Issue 2, Part 3, 6a-YD-3, p.744 (in Japanese)
    • [970924NN] Paper: H. Kohmoto and Y. Okabe, "Probabilistic search of reasonable mapping and its symbolic representation", Information Processing Society of Japan, Sep. 1997, pp. 1-259 - 1-260 (in Japanese)
    • [970312NN] Paper: H. Kohmoto and Y. Okabe, "Probabilistic search of reasonable mapping between given sets", 54th Conf. Information Processing Society of Japan, Mar. 1997, pp. (1)389-390 (in Japanese)
    • [970100NN] Paper: H. Kohmoto and Y. Okabe, "Probabilistic finding method and symbolic process", Proceedings of 38th Programming Symposium, Society of Information Processing, Japan, Jan. 1997, pp. 167-170
  • 1995-1999: M. Kobayashi (D3), Handwritten Letter Recognition