Orima Takemori

Researcher Information

Affiliation

Advanced Comprehensive Research Organization (ACRO) Assistant Professor

Degree

• Ph.D. (Information science)（2022/09 Tohoku University）

URL

https://jglobal.jst.go.jp/detail?JGLOBAL_ID=202301019756780388

Research funding number

• 80975665

ORCID ID

•  https://orcid.org/0000-0003-1515-8823

J-Global ID

• 202301019756780388

Research Interests

• リザバーコンピューティング   時空間学習則   蝸牛   ブレインモルフィック   ニューラルネットワーク   アナログ電子回路   

Research Areas

• Informatics / Soft computing

Academic & Professional Experience

• 2025/04 - Today  Teikyo UniversityAdvanced Comprehensive Research OrganizationAssistant Professor
• 2024/10 - 2025/04  Tohoku UniversityResearch Institute of Electrical CommunicationAssistant Professor
• 2023/05 - 2024/09  Tohoku UniversityResearch Institute of Electrical Communication
• 2022/10 - 2023/04  Tohoku UniversityResearch Institute of Electrical Communication

Education

• 2016/10 - 2022/09  Tohoku University  Graduate School of Information Sciences  Department of Applied Information Sciences
• 2016/04 - 2016/09  Tokyo Denki University  Graduate School of Advanced Science and Technology
• 2014/04 - 2016/03  Tokyo Denki University  Graduate School of Engineering  Electrical and Electronic Engineering
• 2010/04 - 2014/03  Tokyo Denki University  School of Engineering  Department of Electrical and Electronic Engineering

Association Memberships

• 日本音響学会   IEEE   日本神経回路学会   電子情報通信学会   

Research Activity Information

Published Papers

• Fractal memory structure in the spatiotemporal learning rule

  Takemori Orima; Ichiro Tsuda; Minoru Tsukada; Hiromichi Tsukada; Yoshihiko Horio

  Frontiers in Computational Neuroscience 1662-5188 2025/12 [Refereed]
  
• Effect of memory capacity characteristics on time-series prediction performance of reservoir neural network with extended chaotic neural network model

  Go Ishii; Yoshihiko Horio; Takemori Orima

  Nonlinear Theory and Its Applications, IEICE 2024 [Refereed]
  
• Spatiotemporal contextual learning network with excitatory and inhibitory synapses for spiking neural network hardware

  Takemori Orima; Yoshihiko Horio; Takeru Tsuji

  Nonlinear Theory and Its Applications, IEICE 2024 [Refereed]
  
• Detailed evaluation of spatiotemporal learning rule based on Hamming distances among output vectors

  Takeru Tsuji; Takemori Orima; Yoshihiko Horio

  Proc. International Symposium on Nonlinear Theory and Its Applications 415 - 418 2023/09 [Refereed]
  
• Memory state evaluation of spatio-temporal contextual learning memory network based on output spike rate

  Takemori Orima; Takeru Tsuji; Yoshihiko Horio; Satoshi Moriya; Shigeo Sato

  Proc. International Symposium on Nonlinear Theory and Its Applications 378 - 381 2023/09 [Refereed]
  
• An Extended Spatiotemporal Contextual Learning and Memory Network Model for Hardware Implementation

  Takemori Orima; Takeru Tsuji; Yoshihiko Horio

  Procedia Computer Science Elsevier BV 222 478 - 487 1877-0509 2023 [Refereed]
  
• Preliminary experimental results of a stacked 3D cyclic chaotic neural network reservoir integrated circuit

  Takemori Orima; Yoshihiko Horio

  Nonlinear Theory and Its Applications, IEICE 13 (2) 306 - 311 2185-4106 2022 [Refereed]
  
• Implementation of a Chaotic Neural Network Reservoir on a TSV/mu Bump Stacked 3D Cyclic Neural Network Integrated Circuit

  Yoshihiko Horio; Takemori Orima; Koji Kiyoyama; Mitsumasa Koyanagi

  2021 IEEE INTERNATIONAL 3D SYSTEMS INTEGRATION CONFERENCE (3DIC) 1 - 4 2164-0157 2021
• Design for 3-D Stacked Neural Network Circuit with Cyclic Analog Computing

  Koji Kiyoyama; Yoshihiko Horio; Takafumi Fukushima; Hiroyuki Hashimoto; Takemori Orima; Mitsumasa Koyanagi

  2021 IEEE INTERNATIONAL 3D SYSTEMS INTEGRATION CONFERENCE (3DIC) 1 - 4 2164-0157 2021
• Cyclic reservoir neural network circuit for 3D IC implementation

  Keisuke Fukuda; Yoshihiko Horio; Takemori Orima; Koji Kiyoyama; Mitsumasa Koyanagi

  Nonlinear Theory and Its Applications, IEICE 12 (3) 309 - 322 2185-4106 2021
• A design method for a passive reflectionless transmission-line model based on the cochlea through parameter optimization techniques

  Takemori Orima; Yoshihiko Horio

  Nonlinear Theory and Its Applications, IEICE 11 (4) 624 - 635 2185-4106 2020
• An Improved Parameter Value Optimization Technique for the Reflectionless Transmission-Line Model of the Cochlea

  Takemori Orima; Yoshihiko Horio

  JOURNAL OF ROBOTICS NETWORKING AND ARTIFICIAL LIFE 4 (1) 49 - 52 2352-6386 2017/06
• An Improved Parameter Value Optimization Technique for the Reflectionless Transmission-Line Model of the Cochlea

  Takemori Orima; Yoshihiko Horio

  ICAROB 2017: PROCEEDINGS OF THE 2017 INTERNATIONAL CONFERENCE ON ARTIFICIAL LIFE AND ROBOTICS P136 - P139 2017

MISC

• A Hardware Emulator for Spatiotemporal Contextual Learning and Memory Network Model

  Takemori Orima; Katsunori Ito; Yoshihiko Horio  International Symposium on Nonlinear Theory and Its Applications  550  -553  2024/12  [Refereed]
  
• Bifurcation phenomena observed from two-variable spiking neuron integrated circuit.

  Takemori Orima; Yoshihiko Horio; Satoshi Moriya; Shigeo Sato  ISCAS  1  -5  2024
• An event-driven mixed analog/digital spiking neural network circuit model for hippocampal spatiotemporal context learning and memory.

  Takeru Tsuji; Takemori Orima; Yoshihiko Horio  IJCNN  1  -8  2024
• Analysis of Learning Process of Synaptic Weights in Spatio-temporal Learning Networks for Hardware Implementation.

  Takemori Orima; Yoshihiko Horio; Takeru Tsuji  IJCNN  1  -8  2024
• A Study on Circuit Accuracy for Hardware Implementations of Spatio-Temporal Learning Rule

  辻孟; 織間健守; 織間健守; 堀尾喜彦; 堀尾喜彦  電子情報通信学会大会講演論文集(CD-ROM)  2023-  2023
• Generalized Formulation of Spatiotemporal Learning Rule Applicable to Various Circuit Implementation Schemes

  織間健守; 辻孟; 辻孟; 堀尾喜彦; 堀尾喜彦  電子情報通信学会大会講演論文集(CD-ROM)  2023-  2023
• A Neural Network Reservoir Using Output Neurons with Time-History

  藤井香之介; 堀尾喜彦; 織間健守; 辻孟; 石井豪  電子情報通信学会大会講演論文集(CD-ROM)  2023-  2023
• Experiment of time series signal classification task using 3D cyclic chaotic neural network reservoir

  織間健守; 堀尾喜彦  電子情報通信学会技術研究報告(Web)  121-  (307(NLP2021 43-68))  2021
• 無反射伝送線路モデルを用いた高雑音下における音声認識の性能評価

  織間健守; 堀尾喜彦  日本神経回路学会全国大会講演論文集  30th (CD-ROM)-  2020
• 3次元集積回路実装に向けたカオスニューラルネットワークリザバー回路の提案

  福田佳祐; 堀尾喜彦; 織間健守; 清山浩司  日本神経回路学会全国大会講演論文集  30th (CD-ROM)-  2020
• A Method of Determining Parameter Values for Active Reflectionless Transmission-Line Model Based on the Cochlea

  織間健守; 堀尾喜彦  電子情報通信学会技術研究報告  119-  (209(NLP2019 34-62))  93  -97  2019
• 蝸牛に基づく受動的無反射伝送線路モデルの特徴量の定式化の改良—An Improved Formulation of Feature Values in Passive Reflectionless Transmission-Line Model Based on the Cochlea—非線形問題

  織間 健守; 堀尾 喜彦  電子情報通信学会技術研究報告 = IEICE technical report : 信学技報  117-  (272)  65  -68  2017/11
• 蝸牛に基づく受動的無反射伝送線路モデル特性の特徴量の定式化

  織間健守; 堀尾喜彦  電子情報通信学会大会講演論文集(CD-ROM)  2016-  2016
• 蝸牛無反射伝送線路モデルのパラメータ値の決定手法の改良—An Improved Method for Determining Parameter Values of the Cochlea Reflectionless Transmission-Line Model

  織間 健守; 堀尾 喜彦; 香田 徹  回路とシステムワークショップ論文集 Workshop on Circuits and Systems  28-  323  -328  2015/08
• A Method for Determining Parameter Values of the Cochlea Reflectionless Transmission-Line Model

  織間健守; 堀尾喜彦; 香田徹  電子情報通信学会技術研究報告  115-  (34(NLP2015 27-38))  45  -50  2015
• 蝸牛無反射伝送線路モデルのパラメータ値の決定手法の改良

  織間健守; 堀尾喜彦; 香田徹  回路とシステムワークショップ論文集(CD-ROM)  28-  2015
• Digital Circuit Implementation of a Cost Calculation for Partial-update Exponential Chaotic Tabu Search Hardware Systems

  三浦雄志; 小澤将人; 織間健守; 堀尾喜彦  電子情報通信学会技術研究報告  114-  (145(NLP2014 31-44))  17  -22  2014

Awards & Honors

• 2023/03 東北大学 電気・情報系 優秀学生賞
  
• 2021/09 非線形ワークショップ合宿研究会 Best Oral Presentation Award
  
• 2019/06 非線形問題研究会 奨励賞
   蝸牛に基づく能動的無反射伝送線路モデルのパラメータ値の決定手法
• 2017/03 電子情報通信学会 学術奨励賞
   滑降シンプレックス法による受動的無反射伝送線路モデル特性のパラメータ値の決定手法

Research Grants & Projects

• ブレインモルフィックコンピューティングハードウェア基盤の拡張と展開

  日本学術振興会：科学研究費助成事業

  Date (from‐to) : 2025/04 -2030/03 

  Author : 堀尾 喜彦
• 時系列信号における時空間文脈学習・記憶ネットワークのハードウェア実装および応用

  日本学術振興会：科学研究費助成事業

  Date (from‐to) : 2025/04 -2027/03 

  Author : 織間 健守
• 海馬記憶モデルに基づく時空間文脈学習記憶ネットワークのハードウェア実装

  日本学術振興会：科学研究費助成事業

  Date (from‐to) : 2023/08 -2025/03 

  Author : 織間 健守