Novel Theory of Effective Many-Electron Systems based on the Density Functional Theory

• Project/Area Number: 17064006
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Kansai University (2007-2008); Osaka University (2005-2006)
• Principal Investigator: SUZUKI Naoshi Kansai University, システム理工学部, 教授 (40029559)
• Co-Investigator(Kenkyū-buntansha): KUSAKABE Koichi 大阪大学, 大学院・基礎工学研究科, 准教授 (10262164) ; HIGUCHI Masahiko 信州大学, 理学部, 准教授 (10292202) ; HIGUCHI Katsuhiko 広島大学, 大学院・先端物質科学研究科, 准教授 (20325145)
• Project Period (FY): 2005 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥26,000,000 (Direct Cost: ¥26,000,000); Fiscal Year 2008: ¥7,300,000 (Direct Cost: ¥7,300,000); Fiscal Year 2007: ¥7,300,000 (Direct Cost: ¥7,300,000); Fiscal Year 2006: ¥7,300,000 (Direct Cost: ¥7,300,000); Fiscal Year 2005: ¥4,100,000 (Direct Cost: ¥4,100,000)
• Keywords: 密度汎関数理論 / 局所密度近似 / 電子相関 / 強相関電子系 / 高温超伝導体 / 有効多電子理論 / 拡張された制限つき探索理論 / 対密度汎関数理論 / 拡張された制限付き探索理論 / 高精度電子状態計算 / 負性有効電子間相互作用 / 交換・相関エネルギー / ヴィリアル法 / 電流密度汎関数理論 / Vorticity展開近似式 / 揺らぎ参照密度汎関数法 / ファンデルワールス密度汎関数法 / 密度汎関数法 / 電子状態 / 制限付き探索法 / 密度行列 / 有効電子模型 / ハートレー・フォック近似 / LDA+U法

Research Abstract

有効多電子系を定義する草部による多配置参照密度汎関数法に基づき、揺らぎ参照法による有効二体相互作用決定例を与え、さらに、参照系を必要としない密度汎関数変分理論を、モデル空間理論の形成により実現した。また、樋口(雅)・樋口(克)による「拡張された制限つき探索理論」に基づいて、電子相関をあらわに描写する有効理論「対密度汎関数理論」を構築するとともに、数値計算により、その有効性も実証した。

Research Products

• [Journal Article] A quadratic form of the Coulomb operator and an optimization scheme for the extended Kohn-Sham models (2009)
  • Author(s): K. Kusakabe
  • Journal Title: J. Phys.:Condens. Matter 21
  • Peer Reviewed
• [Journal Article] Kinetic energy contribution to the exchange-correlation energy functional of the extended-constrained search theory (2009)
  • Author(s): K. Higuchi and M. Higuchi
  • Journal Title: Phys. Rev. A 79
  • NAID: 120007114299
  • Peer Reviewed
• [Journal Article] A quadratic form of the Coulomb operator and an optimization scheme for the extended Kohn-Sham models (2009)
  • Author(s): K. Kusakabe
  • Journal Title: J. Phys. Condens. Matter 21(in press)
  • Peer Reviewed
• [Journal Article] A pair density functional theory utilizing the correlated wave function (2009)
  • Author(s): M. Higuchi
  • Journal Title: J. Phys.: Conference Series 105
  • Peer Reviewed
• [Journal Article] Evaluation of the kinetic energy contribution to the exchange-correlation energy functional in the extended constrained-search theory : Application to the current density functional theory (2009)
  • Author(s): K. Higuchi
  • Journal Title: J. Phys.: Conference Series 150
  • Peer Reviewed
• [Journal Article] Kinetic energy contribution to the exchange-correlation energy functional of the extended-constrained search theory (2009)
  • Author(s): K. Higuchi
  • Journal Title: Phys. Rev. A 79
  • NAID: 120007114299
  • Peer Reviewed
• [Journal Article] Stacking-fault structure explains unusual elasticity of nanocrystalline diamonds (2009)
  • Author(s): H. Tanei
  • Journal Title: Appl. Phys. Lett 94
  • Peer Reviewed
• [Journal Article] Computational scheme for the around-state pair density (2009)
  • Author(s): K. Higuchi
  • Journal Title: J. Phys. Condens. Matter 21
  • Peer Reviewed
• [Journal Article] Theoretical evidences on enhanced superconducting transition temperature of CaSi2 in a high-pressure AlB2 phase (2008)
  • Author(s): A. Nakanishi, T. Ishikawa, H. Nagara, and K. Kusakabe
  • Journal Title: J. Phys. Soc. Jpn 77
  • Peer Reviewed
• [Journal Article] A pair density functional theory utilizing the noninteracting reference system : an effective initial theory (2008)
  • Author(s): M. Higuchi and K. Higuchi
  • Journal Title: Phys. Rev. B 78
  • NAID: 120007114295
  • Peer Reviewed
• [Journal Article] Theoretical evidences on enhanced superconducting transition temperature of CaSi_2 in a high-pressure AlB_2 phase (2008)
  • Author(s): A. Nakanishi
  • Journal Title: J. Phys. Soc. Jpn 77
  • Peer Reviewed
• [Journal Article] General Rule and Materials Design of Negative Effective U System for High-T_c Superconductivity (2008)
  • Author(s): H. Katayama-Yoshida
  • Journal Title: Appl. Phys. Express 1
  • Peer Reviewed
• [Journal Article] A microscopic mechanism of Coulomb driven effective negative interaction for the high-temperature superconductivity (2008)
  • Author(s): K. Kusakabe
  • Journal Title: J. Phys. Soc. Jpn 77suppl. C Pages: 109-112
  • Peer Reviewed
• [Journal Article] Two-Site Shift Product Wave Function Renormalization Group Method Applied to Quantum Systems (2008)
  • Author(s): H. Ueda
  • Journal Title: J. Phys. Soc. Jpn 77
  • Peer Reviewed
• [Journal Article] Finite-size scaling of string order parameters characterizing the Haldane phase (2008)
  • Author(s): H. Ueda
  • Journal Title: Phys. Rev. B 78
  • Peer Reviewed
• [Journal Article] Generation of Nano-Catalyst Particles by Spinodal Nano-Decomposition in Perovskite (2008)
  • Author(s): H. Kizaki
  • Journal Title: Appl. Phys. Express 1
  • Peer Reviewed
• [Journal Article] Pair density functional theory utilizing the noninteracting reference system : An effective initial theory (2008)
  • Author(s): M. Higuchi
  • Journal Title: Phys. Rev. B 78
  • NAID: 120007114295
  • Peer Reviewed
• [Journal Article] Scheme for calculating the orbital-dependent exchange-correlation potential using the virial theorem : Application to atomic systems (2008)
  • Author(s): M. Kodera
  • Journal Title: Phys. Rev. A 78
  • Peer Reviewed
• [Journal Article] Consideration of the Effect of the Nonspherical Distribution of Electrons in Atomic Structures (2008)
  • Author(s): M. Miyashita
  • Journal Title: Mater. Trans 49 Pages: 1893-1899
  • Peer Reviewed
• [Journal Article] A new framework of the density functional theory (2008)
  • Author(s): K. Kusakabe
  • Journal Title: Condensed Matter Theories 21(in press)
  • Peer Reviewed
• [Journal Article] Determination of the Mott insulating transition by the multi-reference density functional theory (2007)
  • Author(s): K. Kusakabe
  • Journal Title: J. Phys.: Condens. Matter 19
  • Peer Reviewed
• [Journal Article] A self-consistent first-principles calculation scheme for correlated electron systems (2007)
  • Author(s): K. Kusakabe, N. Suzuki, S. Yamanaka, and K. Yamaguchi
  • Journal Title: J. Phys.: Condens. Matter 19
  • Peer Reviewed
• [Journal Article] Evaluation of the vorticity expansion approximation of the CDFT by means of Levy's asymptotic bound (2007)
  • Author(s): M. Higuchi and K. Higuchi
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Pair density functional theory by means of the correlated wave function (2007)
  • Author(s): M. Higuchi and K. Higuchi
  • Journal Title: Phys. Rev. A 75
  • NAID: 120000879776
  • Peer Reviewed
• [Journal Article] A self-consistent first-principles calculation scheme for correlated electron systems (2007)
  • Author(s): K. Kusakabe, et. al.
  • Journal Title: J. Phys. Condens. Matter 19
  • Peer Reviewed
• [Journal Article] Determination of the Mott insulating transition by the multi-reference density functional theory (2007)
  • Author(s): K. Kusakabe
  • Journal Title: J. Phys. Condens. Matter 19
  • Peer Reviewed
• [Journal Article] Simultaneous equations for calculating the ground-state pair density (2007)
  • Author(s): M. Higuchi, et. al.
  • Journal Title: J. Phys. Condens. Matter 19
  • Peer Reviewed
• [Journal Article] Evaluation of vorticity expansion approximation of current-density functional theory by means of Levy's asymptotic bound (2007)
  • Author(s): M. Higuchi, et. al.
  • Journal Title: Phys. Rev. B 75
  • NAID: 120000879780
  • Peer Reviewed
• [Journal Article] Pair density-functional theory by means of the correlated wave function (2007)
  • Author(s): M. Higuchi, et. al.
  • Journal Title: Phys. Rev. A 75
  • NAID: 120000879776
  • Peer Reviewed
• [Journal Article] OEP Atomic-structure calculations with Moller-Plesset correlation and orbital polarization (2007)
  • Author(s): M. Kodera, et. al.
  • Journal Title: J. Mag. & Mag. Mater. 310 Pages: 1623-1625
  • Peer Reviewed
• [Journal Article] New Practicable Forms for Exchange and Correlation Energy Functionals of the CDFT (2007)
  • Author(s): K. Higuchi, et. al.
  • Journal Title: J. Mag. & Mag. Mater. 310 Pages: 1065-1066
  • Peer Reviewed
• [Journal Article] Density functional scheme for calculating the ground-state pair density (2007)
  • Author(s): M. Higuchi, et. al.
  • Journal Title: J. Mag. & Mag. Mater. 310 Pages: 990-992
  • Peer Reviewed
• [Journal Article] A Proposal for Calculating the Orbital-Dependent Exchange-Correlation Potential by Means of the Virial Theorem (2007)
  • Author(s): M. Kodera, et. al.
  • Journal Title: J. Phys. Soc. Jpn. 76
  • Peer Reviewed
• [Journal Article] Comparison between the vorticity expansion approximation and the local density approximation of the CDFT from the viewpoint of sum rules (2007)
  • Author(s): K. Higuchi, et. al.
  • Journal Title: J. Phys. Condens. Matter 19
  • Peer Reviewed
• [Journal Article] A proposal of the approximate scheme for calculating the pair density (2007)
  • Author(s): M. Higuchi, et. al.
  • Journal Title: Physica B 387 Pages: 117-121
  • Peer Reviewed
• [Journal Article] A NEW FRAMEWORK OF THE DENSITY FUNCTIONAL THEORY (2007)
  • Author(s): K.Kusakabe
  • Journal Title: Condensed Matter Theories 21
• [Journal Article] Determination of the U term by a density-density correlation function in the LDA+U Hamiltonian (2007)
  • Author(s): M.Takahashi, et al.
  • Journal Title: Proc. 28th Int. Conf. Phys. Semicon. (Wien, 2008).
• [Journal Article] Modeling and Designing of Nano-Carbon Magnets by a Nev Density-Functional Theory (2007)
  • Author(s): K.Kusakabe, et al.
  • Journal Title: Multifunctional Conducting Molecular Materials, (Edt. Gunji Saito et al.) (RSC Publishing) Pages: 232-236
• [Journal Article] A proposal of the approximate scheme for calculating the pair density (2007)
  • Author(s): M.Higuchi, K.Higuchi
  • Journal Title: Physica B 387 Pages: 117-121
• [Journal Article] A first-principles calculational method for the magnetic impurity problem based on a density-matrix functional theory (2006)
  • Author(s): K. Kusakabe, M. Takahashi, and N. Suzuki
  • Journal Title: Physica B 378-380 Pages: 271-272
  • Peer Reviewed
• [Journal Article] Vorticity expansion approximation of the exchange and correlation energy functionals in current-density functional theory (2006)
  • Author(s): K. Higuchi and M. Higuchi
  • Journal Title: Phys. Rev. B 74
  • NAID: 120000879774
  • Peer Reviewed
• [Journal Article] A first-principles calculational method for the magnetic impurity problem based on a density-matrix functional theory (2006)
  • Author(s): K.Kusakabe, et al.
  • Journal Title: Physica B 378-380 Pages: 271-272
• [Journal Article] Expressions of energy and potential due to orbital polarization (2006)
  • Author(s): A.Narita, M.Higuchi
  • Journal Title: J. Phys. Soc. Jpn. 75
  • NAID: 110004086869
• [Journal Article] Polynomial Representations of Unit Tensor Operators in fn and their Applications (2006)
  • Author(s): A.Narita, M.Higuchi
  • Journal Title: J. Phys. Soc. Jpn. 75
• [Journal Article] Vorticity expansion approximation of the exchange and correlation energy functionals in current-density functional theory (2006)
  • Author(s): K.Higuchi, M.Higuchi
  • Journal Title: Phys. Rev. B 74
  • NAID: 120000879774
• [Journal Article] Recent Development of Multireference Density Functional Theory (2006)
  • Author(s): S.Yamanaka
  • Journal Title: Chemistry Letters 35 Pages: 242-247
• [Journal Article] Exchange-correlation energy functional and virial theorem in the extended constrained-search theory (2005)
  • Author(s): K.Higuchi
  • Journal Title: Phys.Rev.B 71
  • NAID: 120000879779
• [Journal Article] Extended constrained-search theory : Arbitrary choice of basic variables in density functional theory (2005)
  • Author(s): M.Higuchi
  • Journal Title: CHIMIA 59 Pages: 413-413
• [Journal Article] Virial and scaling relations for the exchange-correlation energy functional in the extended constrained-search theory (2005)
  • Author(s): K.Higuchi
  • Journal Title: CHIMIA 59 Pages: 419-419
• [Journal Article] Ab initio iterative CASCI-DFT approach (2005)
  • Author(s): S.Yamanaka
  • Journal Title: CHIMIA 59 Pages: 420-420
• [Journal Article] A first-principles many-body calculation based on a new density-matrix functional theory (2005)
  • Author(s): K.Kusakabe
  • Journal Title: CHIMIA 59 Pages: 422-422
• [Journal Article] A uniqueness theorem in a density-matrix functional theory (2005)
  • Author(s): K.Kusakabe
  • Journal Title: cond-mat
• [Journal Article] MCSCF-DFT based on an interacting reference system (2005)
  • Author(s): S.Yamanaka
  • Journal Title: physics
• [Journal Article] Determination of the Effective Spin Hamiltonian of Mn_6R_6 Referring to the Spin Density Functional Theory
  • Author(s): S.Tonooka, et al.
  • Journal Title: Polyhedron (In press)
• [Journal Article] Oxygen at high pressures : theoretical approach to monoatomic phases
  • Author(s): T.Oda, et al.
  • Journal Title: J. Phys. Condens. Matter. (In press)
• [Journal Article] A first-principles calculational method for the magnetic impurity problem based on a density-matrix functional theory
  • Author(s): K.Kusakabe
  • Journal Title: Physica B (in press)
• [Journal Article] Modeling and Designing of Nano-Carbon Magnets by a New Density-Matrix Functional Theory
  • Author(s): K.Kusakabe
  • Journal Title: Proc.Symp.#115 Area 8 PACIFICHEM (in press)
• [Journal Article] A New Framework of the Density Functional Theory
  • Author(s): K.Kusakabe
  • Journal Title: Proc. Condensed Matter Theories (CMT29) (in press)
• [Presentation] Computational scheme for calculating the pair density (2009)
  • Author(s): Masahiko Higuchi
  • Organizer: The second International Symposium and Workshop on Correlated Electrons in Matter
  • Place of Presentation: Gatlinburg, USA
  • Year and Date: 2009-03-31
• [Presentation] A series expansion of the Coulomb operator for optimization scheme of the multi-reference density functional theory (2009)
  • Author(s): Koichi Kusakabe
  • Organizer: 2009 APS March meeting
  • Place of Presentation: USA
  • Year and Date: 2009-03-19
• [Presentation] Computational pair density functional theory (2008)
  • Author(s): Masahiko Higuchi
  • Organizer: The 11th Asian Workshop on First-Principles Electronicv Structure Calculations
  • Place of Presentation: Kaohsiung, Taiwan
  • Year and Date: 2008-11-30
• [Presentation] Computational pair density functional theory (2008)
  • Author(s): M. Higuchi
  • Organizer: The 11th Asian Workshop on First-Principles Electronic Structure Calculations
  • Place of Presentation: Kaohsiung, Taiwan
  • Year and Date: 2008-11-03
• [Presentation] Ab Initio Study on the Origin of the High Superconducting Transition Temperature in Calcium under High Pressure (2008)
  • Author(s): H. Nagara
  • Organizer: 46^<th> EHPRG Int. Conf
  • Place of Presentation: Valencia, Spain
  • Year and Date: 2008-09-10
• [Presentation] Evaluation of the kinetic energy contribution to the exchange- correlation energy functional in the extended constrained-search theory : Application to the current density functional theory (2008)
  • Author(s): Katsuhiko Higuchi
  • Organizer: 25th international conference on Low Temperature Physics
  • Place of Presentation: Amsterdam, Netherland
  • Year and Date: 2008-08-08
• [Presentation] Analysis of Phonon Modes Strongly Coupled to Electrons in High Superconducting Transition Temperature Phases of Compressed Calcium (2008)
  • Author(s): N. Suzuki
  • Organizer: 25^<th> Int. Conf. on Low Temperature Physics [LT25]
  • Place of Presentation: Amsterdam, Netherland
  • Year and Date: 2008-08-08
• [Presentation] A pair density functional theory utilizing the correlated wave function (2008)
  • Author(s): M. Higuchi
  • Organizer: 25^<th> Int. Conf. on Low Temperature Physics [LT25]
  • Place of Presentation: Amsterdam, Netherland
  • Year and Date: 2008-08-08
• [Presentation] Evaluation of the kinetic energy contribution to the exchange-correlation energy functional in the extended constrained-search theory : Application to the current density functional theory (2008)
  • Author(s): K. Higuchi
  • Organizer: 25^<th> Int. Conf. on Low Temperature Physics [LT25]
  • Place of Presentation: Amsterdam, Netherland
  • Year and Date: 2008-08-08
• [Presentation] Origin of the incommensurately modulated structure in phosphorus at high Pressures and the high pressure structures of calcium (2008)
  • Author(s): H. Nagara
  • Organizer: Int. Conf. on Quantum Simulators and Design 2008 [QSD2008]
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2008-06-01
• [Presentation] Computational scheme for the ground-state pair density (2008)
  • Author(s): K. Higuchi
  • Organizer: Int. Conf. on Quantum Simulators and Design 2008 [QSD2008]
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2008-06-01
• [Presentation] Atomic-structure calculations with orbital-dependent exchange potential satisfving the virial theorem (2008)
  • Author(s): M. Kodera
  • Organizer: Int. Conf on Quantum Simulators and Design 2008 [QSD2008]
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2008-06-01
• [Presentation] Atomic structure calculations with the effect of the nonspherical distribution of electrons taken into account (2008)
  • Author(s): M. Miyasita
  • Organizer: Int. Conf. on Quantum Simulators and Design 2008 [QSD2008]
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2008-06-01
• [Presentation] Pair Density Functional Theory by means of the Jastrow Wave Function (2007)
  • Author(s): M. Higuchi, et. al.
  • Organizer: 12th international Conference on the Applications of Density Functional Theory in Chemistry and Physics (DFT2007)
  • Place of Presentation: Amsterdam, The Netherlands
  • Year and Date: 2007-08-27
• [Presentation] Vorticity Expansion Approximation of the Exchange-Correlation Energy Functional in Current-Density Functional Theory (2007)
  • Author(s): K. Higuchi, et. al.
  • Organizer: 12th international Conference on the Applications of Density Functional Theory in Chemistry and Physics (DFT2007)
  • Place of Presentation: Amsterdam, The Netherlands
  • Year and Date: 2007-08-27
• [Presentation] Extended Constrained Search Theory and its Applications (2007)
  • Author(s): M. Higuchi, et. al.
  • Organizer: ISSP International Workshop and Symposium on Foundations and Applications of the Density Functional Theory
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2007-08-01
• [Presentation] Determination of the Mott insulating transition by the multi-reference density functional theory (2007)
  • Author(s): Koichi Kusakabe
  • Organizer: International Conference on Strongly Correlated Electron Systems SCES'07
  • Place of Presentation: Houston, USA
  • Year and Date: 2007-05-18
• [Presentation] Determination of the Mott insulating transition by the multi-reference density functional theory (2007)
  • Author(s): K. Kusakabe
  • Organizer: Int. Conf. Strongly Correlated Electron Systems, (SCES'07)
  • Place of Presentation: Houston, USA
  • Year and Date: 2007-05-18
• [Presentation] A multi-reference DFT calculation for correlated electron systems using the fluctuation-reference method (2006)
  • Author(s): Koichi Kusakabe
  • Organizer: International workshop on first-principles calculation of correlated electrons
  • Place of Presentation: Tokyo
  • Year and Date: 2006-12-01
• [Book] 「新しい密度汎関数法の基礎」,笠井秀明・赤井久純・吉田博編「計算機マテリアルデザイン入門」 (2005)
  • Author(s): 草部浩一
  • Publisher: 大阪大学出版会
• [Book] 「相関電子系設計への指針」,笠井秀明・赤井久純・吉田博編「計算機マテリアルデザイン入門」 (2005)
  • Author(s): 草部浩一
  • Publisher: 大阪大学出版会
• [Book] 計算機マテリアルデザイン入門,「新しい密度汎関数法の基礎」 (2005)
  • Author(s): 笠井秀明
  • Total Pages: 397
  • Publisher: 大阪大学出版会
• [Patent(Industrial Property Rights)] 電子状態計算法、電子状態計算装置、コンピュータプログラム、記録媒体 (2008)
  • Inventor(s): 草部浩一
  • Industrial Property Rights Holder: 大阪大学
  • Industrial Property Number: 2008-223813
  • Filing Date: 2008-09-01
• [Patent(Industrial Property Rights)] 電界効果トランジスタ (2008)
  • Inventor(s): 樋口克彦、福江直樹、樋口雅彦
  • Industrial Property Rights Holder: 広島大学、信州大学
  • Acquisition Date: 2008-11-14
• [Patent(Industrial Property Rights)] 電流磁気効果を利用した超高速スイッチング素子 (2007)
  • Inventor(s): 樋口克彦、樋口雅彦
  • Industrial Property Rights Holder: 広島大学、信州大学
  • Industrial Property Number: 2006-212395
  • Filing Date: 2007-08-02
• [Patent(Industrial Property Rights)] Current amplifying element and current amplification method (2007)
  • Inventor(s): K. Higuchi and M. Higuchi
  • Industrial Property Rights Holder: Hiroshima University and Shinshu University
  • Filing Date: 2007-08-02
  • Overseas
• [Patent(Industrial Property Rights)] Electronic state calculation method, electronic state calculation device, computer program, and recording medium (2007)
  • Inventor(s): Koichi Kusakabe
  • Industrial Property Rights Holder: Osaka university
  • Filing Date: 2007-03-02
  • Overseas
• [Patent(Industrial Property Rights)] 電流増幅素子 (2007)
  • Inventor(s): 樋口克彦、樋口雅彦
  • Industrial Property Rights Holder: 広島大学、信州大学
  • Filing Date: 2007-08-02
  • Overseas
• [Patent(Industrial Property Rights)] 電子状態計算法、電子状態計算装置、コンピュータプログラム、及び記録媒体 (2006)
  • Inventor(s): 草部浩一
  • Industrial Property Rights Holder: 大阪大学
  • Industrial Property Number: 2006-148978
  • Filing Date: 2006-05-29
• [Patent(Industrial Property Rights)] 電子状態計算方法、電子状態計算装置、コンピュータプログラム、及び記録媒体 (2006)
  • Inventor(s): 草部浩一
  • Industrial Property Rights Holder: 大阪大学
  • Industrial Property Number: 2006-148978
  • Filing Date: 2006-05-29
• [Patent(Industrial Property Rights)] 電流増幅素子 (2006)
  • Inventor(s): 樋口克彦, 樋口雅彦
  • Industrial Property Rights Holder: 広島大学, 信州大学
  • Industrial Property Number: 2006-212395
  • Filing Date: 2006-08-03