Kono Takashi 河野崇

… Alternative Names

KOHNO Takashi 河野崇

Less

Researcher Number	90447350
Other IDs
Affiliation (Current)	2025: 東京大学, 生産技術研究所, 教授
Affiliation (based on the past Project Information) *help	2018 – 2025: 東京大学, 生産技術研究所, 教授 2013 – 2017: 東京大学, 生産技術研究所, 准教授 2007 – 2010: The University of Tokyo, 生産技術研究所, 准教授
Review Section/Research Field	Principal Investigator Bioinformatics/Life informatics / Life / Health / Medical informatics / Transformative Research Areas, Section (IV) / Medium-sized Section 61:Human informatics and related fields Except Principal Investigator Transformative Research Areas, Section (IV) / Neuroscience and related fields / Engineering fundamentals
Keywords	Principal Investigator シリコン神経ネットワーク / 脳型情報処理 / 神経模倣システム / ニューロモルフィックハードウェア / シリコンニューロン / マルチセルラハードウェア / バイオ超越 / 多細胞バイオ計算 / ニューロモルフィック回路 / 不揮発性メモリデバイス … More / 超低消費電力アナログ回路 / 神経模倣情報処理 / 神経模倣回路 / 超低電力アナログ回路 / 教師なし学習 / 低電力アナログ集積回路 / 神経ネットワークモデル / ニューラルネットワーク / シリコン・ニューロン / 先端機能デバイス / 脳・神経 / 脳型コンピュータ / 神経スパイク / ニューロモルフィックシステム … More Except Principal Investigator バイオ超越 / 多細胞バイオ計算 / 電気的チューニング / チューニング / 周波数 / 神経科学 / 感覚情報処理 / 聴感覚細胞 / 応答性制御 / ショウジョウバエ / 周波数特性 / 聴覚 / ソフトコンピューティング / 生体生命情報学 / 脳・神経 / モデル化 / 数理工学 Less

Multicellular Neurobiocomputing (Administrative Group)
- Principal Investigator
  
  山本英明
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (IV)
- Research Institution
  Tohoku University
Analog and digital circuit implementation of computation in multicellular neuronal networksPrincipal Investigator
- Principal Investigator
  
  河野崇
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (IV)
- Research Institution
  The University of Tokyo
Breakthrough in fundamental technology for ultralow-power neuromorphic hardwarePrincipal Investigator
- Principal Investigator
  
  KOHNO Takashi
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 61:Human informatics and related fields
- Research Institution
  The University of Tokyo
Exploring the mechanism of frequency tuning of auditory sensory neurons in flies
- Principal Investigator
  
  Kamikouchi Azusa
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Research Field
  
  Neuroscience and related fields
- Research Institution
  Nagoya University
Large-scale silicon neuronal networks by digital arithmetic circuits(Fostering Joint International Research)Principal Investigator
- Principal Investigator
  
  Kohno Takashi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research)
- Research Field
  
  Life / Health / Medical informatics
- Research Institution
  The University of Tokyo
Large-scale silicon neuronal network based on digital arithmetic circuitsPrincipal Investigator
- Principal Investigator
  
  KOHNO Takashi
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Life / Health / Medical informatics
- Research Institution
  The University of Tokyo
デジタル回路による新しいシリコンニューラルネットワークPrincipal Investigator
- Principal Investigator
  
  河野崇
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Bioinformatics/Life informatics
- Research Institution
  The University of Tokyo
Mathematical Modeling of Neural Information Processing Based on Presynapitc Control and its Applications to Engineering
- Principal Investigator
  
  AIHARA Kazuyuki
- Project Period (FY)
  2008 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Engineering fundamentals
- Research Institution
  The University of Tokyo
MEMS device control by expanded silicon CPGPrincipal Investigator
- Principal Investigator
  
  KOHNO Takashi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Bioinformatics/Life informatics
- Research Institution
  The University of Tokyo

[Book] 自己組織化ハンドブッ(第3編,第4節2.シリコンシナプス)(国武豊喜監修)2009
- Author(s)
  河野崇
- Publisher
  NTS
- Data Source
  KAKENHI-PROJECT-19680015
[Book] 理工系からの脳科学入門(第9章ニューロモルフィック・ハードウェア--神経系を模倣する)(合原一幸, 神崎亮平編)2008
- Author(s)
  河野崇
- Publisher
  東京大学出版会
- Data Source
  KAKENHI-PROJECT-19680015
[Journal Article] Adaptive STDP-based on-chip spike pattern detection2023
- Author(s)
  Gautam Ashish、Kohno Takashi
- Journal Title
  
  Frontiers in Neuroscience
  
  Volume: 17 Pages: 1-15
- DOI
  10.3389/fnins.2023.1203956
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H04887
[Journal Article] A Conductance-Based Silicon Synapse Circuit2022
- Author(s)
  Gautam Ashish、Kohno Takashi
- Journal Title
  
  Biomimetics
  
  Volume: 7 Issue: 4 Pages: 246-246
- DOI
  10.3390/biomimetics7040246
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H04887
[Journal Article] An Adaptive STDP Learning Rule for Neuromorphic Systems2021
- Author(s)
  Gautam Ashish、Kohno Takashi
- Journal Title
  
  Frontiers in Neuroscience
  
  Volume: 15 Pages: 1-12
- DOI
  10.3389/fnins.2021.741116
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H04887
[Journal Article] An FPGA-based cortical and thalamic silicon neuronal network2016
- Author(s)
  Takuya Nanami and Takashi Kohno
- Journal Title
  
  Journal of Robotics, Networking and Artificial Life
  
  Volume: 2 Issue: 4 Pages: 238-242
- DOI
  10.2991/jrnal.2016.2.4.1
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25240045
[Journal Article] Simple cortical and thalamic neuron models for digital arithmetic circuit implementation2016
- Author(s)
  Takuya Nanami and Takashi Kohno
- Journal Title
  
  Frontiers in Neuroscience
  
  Volume: 未定
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25240045
[Journal Article] Associative Memory with Class I and II Izhikevich Model2015
- Author(s)
  Yoshika Osawa and Takashi Kohno
- Journal Title
  
  Journal of Robotics, Networking and Artificial Life
  
  Volume: 4
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25240045
[Journal Article] デジタル演算回路実装に適した大脳皮質及び視床の神経細胞モデル2015
- Author(s)
  名波　拓哉, 河野　崇
- Journal Title
  
  生産研究
  
  Volume: 67 Pages: 297-300
- NAID
  130005074274
- Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25240045
[Journal Article] Silicon neuronal networks towards brain-morphic computers2014
- Author(s)
  Takashi Kohno, Jing Li, and Kazyuki Aihara
- Journal Title
  
  IEICE NOLTA Journal
  
  Volume: 5 Pages: 379-390
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25240045
[Journal Article] A Design Method for Analog and Digital Silicon Neurons -Mathematical-Model-Based Method-2008
- Author(s)
  Takashi Kohno, Kazuzyuki Aihara
- Journal Title
  
  AIP Conference Proceedings Vol.1028
  
  Pages: 113-128
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19680015
[Journal Article] An integrated circuit design of a silicon neuron and its measurement results2008
- Author(s)
  Munehisa Sekikawa, Takashi Kohno, Kazuyuki Aihara
- Journal Title
  
  Journal of Artificial Life and Robotics 13
  
  Pages: 116-119
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19680015
[Journal Article] A Design Method for Analog and Digital Silicon Neurons -Mathematical-Model-Based Method-2008
- Author(s)
  Takashi Kohno and Kazuyuki Aihara
- Journal Title
  
  AIP Conference Proceedings 1028
  
  Pages: 113-128
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19680015
[Journal Article] Mathematical-model-based design method of silicon burst neurons2008
- Author(s)
  Takashi Kohno, Kazuyuki Aihara
- Journal Title
  
  Neurocomputing Vol.71
  
  Pages: 1619-1628
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19680015
[Journal Article] Mathematical-model-based design method of silicon burst neurons2008
- Author(s)
  Takashi Kohno and Kazuyuki Aihara
- Journal Title
  
  Neurocomputing 71
  
  Pages: 1619-1628
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19680015
[Journal Article] An integrated circuit design of a silicon neuron and its measurement results2008
- Author(s)
  Munehisa Sekikawa, Takashi Kohno, Kazuyuki Aihara
- Journal Title
  
  Journal of Artificial Life and Robotics Vol.13, No.1
  
  Pages: 116-119
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] On-chip spike pattern classification for neuromorphic systems2024
- Author(s)
  Ashish Gautam and Takashi Kohno
- Organizer
  American Physical Society March Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04887
[Presentation] Neuromorphic spatio-temporal spike pattern detection model with biological plausibility2024
- Author(s)
  Shunta Furuichi and Takashi Kohno
- Organizer
  The 12th RIEC International Symposium on Brain Functions and Brain Computer
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04887
[Presentation] Parameter fitting approach for the piecewise quadratic neuron model using improved particle swarm optimization framework2024
- Author(s)
  Zihan Yang and Takashi Kohno
- Organizer
  The 12th RIEC International Symposium on Brain Functions and Brain Computer
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04887
[Presentation] Adaptive STDP Learning with Lateral Inhibition for Neuromorphic Systems2023
- Author(s)
  Ashish Gautam, Takashi Kohno
- Organizer
  The 2023 International Conference on Artificial Life and Robotics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04887
[Presentation] Toward on-chip STDP learning on mixed-signal neuromorphic chips2023
- Author(s)
  Ashish Gautam, Takashi Kohno, and Prasanna Date
- Organizer
  ICRC 2023: THE 8TH IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04887
[Presentation] STDP in SNN implementation on FPGA2019
- Author(s)
  X. Yang, T. Levi, T. Kohno
- Organizer
  The 7th RIEC International Symposium on Brain Functions and Brain Computer
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KK0003
[Presentation] Neuromimetics in silicon neuronal networks2017
- Author(s)
  Takashi Kohno
- Organizer
  Workshop on Brain-inspired Hardware
- Place of Presentation
  産総研臨海副都心センター（東京都・江東区）
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KK0003
[Presentation] A Qualitative Approach to Silicon Neuronal Networks2017
- Author(s)
  Takashi Kohno
- Organizer
  The 2nd International Symposium on Neuromorphic, nonlinear, and Neurofluidic Engineering
- Place of Presentation
  ボルドー（フランス）
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KK0003
[Presentation] Silicon Neuronal Networks -- another approach to intelligent systems --2017
- Author(s)
  Takashi Kohno
- Organizer
  The 2017 International Meeting for Future of Electron Devices, Kansai
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KK0003
[Presentation] シリコン神経ネットワークとその課題2017
- Author(s)
  河野　崇
- Organizer
  応用物理学会春季学術講演会
- Place of Presentation
  横浜パシフィコ（神奈川県・横浜市）
- Invited
- Data Source
  KAKENHI-PROJECT-15KK0003
[Presentation] An FPGA-based cortical and thalamic silicon neuronal network2016
- Author(s)
  Takuya Nanami and Takashi Kohno
- Organizer
  International Conference on Artificial Life and Robotics 2016
- Place of Presentation
  沖縄コンベンションセンター（沖縄県）
- Year and Date
  2016-01-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25240045
[Presentation] FPGA スパイキング神経ネットワーク間のプロトコル2015
- Author(s)
  權　泰五, 河野　崇
- Organizer
  「分岐理論の工学的応用研究」に関するワークショップ
- Place of Presentation
  北海道大学（札幌）
- Year and Date
  2015-07-13
- Data Source
  KAKENHI-PROJECT-25240045
[Presentation] 高位合成による自動パイプライン化を利用したスパイキングニューラルネットワークシミュレーション高速化回路のFPGA実装2015
- Author(s)
  川尾　太郎, 河野　崇, 藤田　昌宏
- Organizer
  第173回システムとLSIの設計技術研究発表会
- Place of Presentation
  長崎県勤労福祉会館（長崎県）
- Year and Date
  2015-12-01
- Data Source
  KAKENHI-PROJECT-25240045
[Presentation] デジタル演算回路実装に適した神経細胞モデルの構築と評価2015
- Author(s)
  名波　拓哉, 河野　崇
- Organizer
  「分岐理論の工学的応用研究」に関するワークショップ
- Place of Presentation
  北海道大学（札幌）
- Year and Date
  2015-07-13
- Data Source
  KAKENHI-PROJECT-25240045
[Presentation] A three-variable silicon neuron circuit2011
- Author(s)
  Yohei Nakamura, Kazuyuki Aihara, Takashi Kohno
- Organizer
  International Symposium on Artificial Life and Robotics 2011
- Place of Presentation
  別府国際コンベンションセンター
- Year and Date
  2011-01-29
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] デジタル演算回路での3変数シリコンニューロンの設計2011
- Author(s)
  小林航, 河野崇, 合原一幸
- Organizer
  第24回回路とシステムワークショップ
- Place of Presentation
  淡路夢舞台国際会議場
- Year and Date
  2011-09-16
- Data Source
  KAKENHI-PROJECT-21650069
[Presentation] A mathematical-structure-based aVLSI silicon neuron model2010
- Author(s)
  Takashi Kohno, Kazuyuki Aihara
- Organizer
  Proceedings of the 2010 International Symposium on Nonlinear Theory and its Applications,pp.261-264
- Place of Presentation
  クラクフ,ポーランド
- Year and Date
  2010-09-07
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] A mathematical-structure-based aVLSI silicon neuron model2010
- Author(s)
  Takashi Kohno, Kazuyuki Aihara
- Organizer
  The 2010 International Symposium on Nonlinear Theory and its Applications
- Place of Presentation
  Krakow, Poland
- Year and Date
  2010-09-07
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] A digital spiking silicon neural network2010
- Author(s)
  Takayoshi Nakayama, Yuichi Katori, Kazuyuki Aihara, Takashi Kohno
- Organizer
  International Symposium on Artificial Life and Robotics 2010
- Place of Presentation
  別府
- Year and Date
  2010-02-06
- Data Source
  KAKENHI-PROJECT-21650069
[Presentation] Silicon Neural Network Circuits for Smart-MEMs Systems2009
- Author(s)
  Timothee Levi, Takashi Kohno
- Organizer
  2009 CMOS Emerging Technologies Workshop
- Place of Presentation
  バンクーバ,カナダ
- Year and Date
  2009-09-24
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] A Hindmarsh-Rose type silicon neuron2009
- Author(s)
  Takashi Kohno, Kazuyuki Aihara
- Organizer
  Proceedings of the 3rd International Conference on Complex Systems and Applications,p.197
- Place of Presentation
  ルアーブル,フランス
- Year and Date
  2009-07-01
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] A simple a VLSI burst silicon neuron circuit2008
- Author(s)
  Takashi Kohno, Kazuyuki Aihara
- Organizer
  The 2008 International Symposium on Nonlinear Theory and its Applications
- Place of Presentation
  ブダペスト,ハンガリー
- Year and Date
  2008-09-10
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] A simple aVLSI burst silicon neuron circuit2008
- Author(s)
  Takashi Kohno, Kazuyuki Aihara
- Organizer
  Proceedings of the 2008 International Symposium on Nonlinear Theory and its Applications,pp.556-559
- Place of Presentation
  ブタペスト,ハンガリー
- Year and Date
  2008-09-10
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] A Design Method for Analog and Digital Silicon Neurons-Mathematical-Model-Based Method-2007
- Author(s)
  Takashi Kohno, Kazuyuki Aihara
- Organizer
  Proceedings of BIOCOMP2007,pp.81-82,
- Place of Presentation
  ヴィエトリスルマーレ,イタリア
- Year and Date
  2007-09-26
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] A Design Method for Analog and Digital Silicon Neurons --Mathematical-Model-Based Method--2007
- Author(s)
  Takashi Kohno and Kazuyuki Aihara
- Organizer
  BIOCOMP 2007
- Place of Presentation
  Vietri sul male
- Year and Date
  2007-09-26
- Data Source
  KAKENHI-PROJECT-19680015
[Presentation] Hebbian Learning in FPGA Silicon Neuronal Network
- Author(s)
  Jing Li, Yuichi Katori, and Takashi Kohno
- Organizer
  the 1st IEEE/IIAE International Conference on Intelligent Systems and Image Processing 2013
- Place of Presentation
  北九州
- Year and Date
  2013-09-26 – 2013-09-27
- Data Source
  KAKENHI-PROJECT-25240045
[Presentation] Associative Memory with Class I and II Izhikevich Model
- Author(s)
  Yoshika Osawa and Takashi Kohno
- Organizer
  International Conference on Artificial Life and Robotics
- Place of Presentation
  大分
- Year and Date
  2015-01-10 – 2015-01-12
- Data Source
  KAKENHI-PROJECT-25240045

1. AIHARA Kazuyuki (40167218)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. MORITA Kenji (60446531)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. WATANABE Hiroki (20570609)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. FUJII Hiroshi (90065839)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. FUJITA Masahiro (70323524)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
6. Kamikouchi Azusa (00525264)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 小林正治 (40740147)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 山本英明 (10552036)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 香取勇一 (20557607)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 松井鉄平 (10725948)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 谷井孝至 (20339708)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 平野愛弓 (80339241)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 正水芳人 (90608530)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 神谷温之 (10194979)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 平田豊 (30329669)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. Saïghi Sylvain

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. Xia Yang

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. ROBINSON Hugh

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Kono Takashi 河野 崇

KOHNO Takashi 河野 崇

Research Projects

Research Products

Co-Researchers

Multicellular Neurobiocomputing (Administrative Group)

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Analog and digital circuit implementation of computation in multicellular neuronal networksPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Breakthrough in fundamental technology for ultralow-power neuromorphic hardwarePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Exploring the mechanism of frequency tuning of auditory sensory neurons in flies

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Large-scale silicon neuronal networks by digital arithmetic circuits(Fostering Joint International Research)Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Large-scale silicon neuronal network based on digital arithmetic circuitsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

デジタル回路による新しいシリコンニューラルネットワークPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Mathematical Modeling of Neural Information Processing Based on Presynapitc Control and its Applications to Engineering

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

MEMS device control by expanded silicon CPGPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] 自己組織化ハンドブッ(第3編,第4節2.シリコンシナプス)(国武豊喜監修)2009

Author(s)

Publisher

Data Source

[Book] 理工系からの脳科学入門(第9章ニューロモルフィック・ハードウェア--神経系を模倣する)(合原一幸, 神崎亮平編)2008

Author(s)

Publisher

Data Source

[Journal Article] Adaptive STDP-based on-chip spike pattern detection2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A Conductance-Based Silicon Synapse Circuit2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] An Adaptive STDP Learning Rule for Neuromorphic Systems2021

Author(s)

Journal Title

Kono Takashi 河野崇

KOHNO Takashi 河野崇