Rchr
J-GLOBAL ID：201101078536654866   Update date: Nov. 29, 2025

Ozawa Masanao

オザワ マサナオ | Ozawa Masanao
Affiliation and department：
Nagoya University Graduate School of Informatics

About Nagoya University Graduate School of Informatics


Job title： Professor Emeritus
Other affiliations (5)：
  • Ritsumeikan University  The Kinugasa Research Organization   Visiting Professor
  • RIKEN  FQSP, iTHEMS   Senior Visiting Scientist, Research Adviser
  • Chubu University  Center for Mathematical Science and Artificial Intelligence, Academy of Emerging Sciences   Destinguished Professor
  • National Institutes for Quantum and Radiological Science and Technology  Institute for Quantum Life Science   Visiting Researcher
  • Quantinuum K.K.  Senior Scientific Advisor
Homepage URL  (1)： http://www.math.cm.is.nagoya-u.ac.jp/~ozawa/
Research field  (2)： Applied mathematics and statistics ,  Basic mathematics
Research keywords  (19)： 量子力学 ,  数学基礎論 ,  様相解釈 ,  数理物理学 ,  量子回路 ,  量子Turing機械 ,  測定誤差 ,  標準量子限界 ,  科学哲学 ,  擾乱 ,  量子計算量理論 ,  量子コンピュータ ,  Quantum Logic ,  Quantum Foundations ,  Uncertainty Principle ,  Quantum Computing ,  Quantum Information ,  Quantum Set Theory ,  Quantum Measurement
Research theme for competitive and other funds  (32)：
  • 2022 - 2025 量子インストルメント理論の新展開
  • 2021 - 2024 Machine Learning using Quantum-Classical Hybrid Algorithms
  • 2016 - 2019 New developments in quantum measurement theory based on the Heisenberg picture
  • 2017 - 2019 Study of Quantum Foundations and Quantum Set Theory
  • 2014 - 2019 量子論の基礎原理に関する数学的研究
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Papers (130)：
  • Masanao Ozawa. Quantum set theory: quantum conditionals and order of observables. International Journal of Theoretical Physics. 2025
  • Jerome R. Busemeyer, Masanao Ozawa, Emmanuel Pothos, Nao Tsuchiya. Incorporating episodic memory into quantum models of judgement and decision. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 2025. 383. 2309. 20240372
  • Miho Fuyama, Andrei Khrennikov, Masanao Ozawa. Quantum-like cognition and decision-making in the light of quantum measurement theory. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 2025. 383. 2309. 20240387
  • Masanao Ozawa. Intersubjectivity and value reproducibility of outcomes of quantum measurements. Scientific Reports. 2025. 15. 36112
  • Andrei Khrennikov, Masanao Ozawa, Felix Benninger, Oded Shor. Coupling quantum-like cognition with the neuronal networks within generalized probability theory. Journal of Mathematical Psychology. 2025. 125. 102923-102923
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MISC (134)：
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Patents (3)：
Books (8)：
  • Quantum and Information: Quantum Reality and the Uncertainty Principle (in Japanese)
    Seido-sha, Tokyo 2018 ISBN:4791771109
  • Reality and measurement in algebraic quantum theory : NWW 2015, Nagoya, Japan, March 9-13
    Springer, Singapore 2018 ISBN:9789811324864
  • 現代思想 2016年6月号 特集=日本の物理学者たち
    青土社 2016 ISBN:4791713230
  • 現代思想 2013年8月臨時号 総特集=フォン・ノイマン ゲーム理論・量子力学・コンピュータ科学
    青土社 2013 ISBN:479171265X
  • 数理物理 私の研究 (シュプリンガー量子数理シリーズ 第2巻)
    丸善出版 2012
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Lectures and oral presentations  (171)：
  • Heisenberg’s Uncertainty Principle: The Original Formulation and Its Universally Valid Reformulations
    (Intermediate IQSA 2025 Conference (30 June-4 July, 2025, Tropea, Calabria, Italy) 2025)
  • Unifying quantum and classical time in macroscopic extension of quantum mechanics
    (5th International Conference on Time in Quantum Theory 2025 (TiQT 2025) 2025)
  • Quantum instrument approach to eliminating the question order bias in opinion poll statistics
    (International Conference "Quantum Information and Probability: from Foundations to Engineering" (QIP25) (Växjö, Sweden,10 - 13 June 2025) 2025)
  • Heisenberg’s original formulation and its universally valid reformulation of the uncertainty principle
    (International Conference "Quantum Information and Probability: from Foundations to Engineering" (QIP25) (Växjö, Sweden,10-13 June 2025) 2025)
  • Quantum Instrument Models for Question Order Effect in Opinion Polls
    (Quantum Group Seminar (29 January 2025, Department of Computer Science, Oxford University, UK) 2025)
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Education (3)：
  • 1976 - 1979 Tokyo Institute of Technology Graduate School of Science and Technology Department of Information Sciences, Awarded Dr. Sci. in mathematical science
  • 1974 - 1976 Tokyo Institute of Technology Graduate School of Science and Technology Department of Information Sciences, Awarded MSc in mathematical science
  • 1970 - 1974 Tokyo Institute of Technology Faculty of Science Department of Information Sciences, Awarded BSc in mathematical science
Professional career (1)：
  • Dr Sci (Tokyo Institute of Technology)
Work history (26)：
  • 2025/05 - 現在 RIKEN FQSP, iTHEMS Senior Visiting Scientist, Research Adviser
  • 2025/04 - 現在 Ritsumeikan University The Kinugasa Research Organization
  • 2025/04 - 現在 Nagoya University Graduate School of Informatics
  • 2024/02 - 2025/05 RIKEN Senior Visiting Researcher
  • 2024/01 - 現在 National Institutes for Quantum and Radiological Science and Technology Institute for Quantum Life Science Visiting Researcher
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Committee career (7)：
  • 2020/05 - 現在 科学技術振興機構 ムーンショット型研究開発事業アドバイザー(目標6『2050年までに、経済・産業・安全保障を飛躍的に発展させる誤り耐性型汎用量子コンピュータを実現』)
  • 2000/12 - 2021/03 日本学術振興会 光ネットワークシステム技術研究委員会委員
  • 2001/04 - 2016/03 文部科学省科学技術政策研究所 専門調査員
  • 2007/12 - 2009/06 (独)大学評価・学位授与機構 国立大学教育研究評価委員会専門委員
  • 2003/07 - 2009/03 (独)科学技術振興機構 戦略的創造研究推進事業領域アドバイザー(さきがけ『量子と情報』領域)
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Awards (8)：
  • 2023/11 - 瑞宝中綬章
  • 2015/11 - Medal with Purple Ribbon
  • 2013/05 - Chunichi Cultural Prize
  • 2012/09 - Hiroshi Fujiwara Prize for Mathematical Science, Grand Prize
  • 2010/07 - International Quantum Communication Award
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Association Membership(s) (2)：
Japan Association for Philosophy of Science ,  Mathematical Society of Japan
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