2023, IEICE Fellow. 2015, The Best Teaching Award from the University of Tokyo. 2014, IBM Faculty Award. 2005, Advanced Technology Award - Fuji Sankei Business Eye Award. 2004, Best Invention Award from NEC Corporation (Joint Work). 2003, Contribution Award from NEC Corporation. 2002, Contribution Award from NEC Corporation. 1999, Contribution Award from NEC Corporation. 1992, Contribution Award from NEC Corporation. 1991, Uenohara Award from NEC Corporation. 1991, Contribution Award from NEC Corporation. 1990, Best Paper Award from the Institute of Electronics, Information and Communication Engineers, Japan. Paper: On New Asymptotic Performance Evaluation of Binary Modular Codes.
Research Experience
Apr. 2009―present, Professor, Department of Mathematical Informatics, Graduate School of Information Science and Technology, The University of Tokyo. Apr. 2024― Mar. 2025, Head of Department of Mathematical Engineering and Information Physics, Engineering Department, The University of Tokyo. Apr. 2023― Mar. 2025, Head of Department of Mathematical Informatics, Graduate School of Information Science and Technology, The University of Tokyo. Apr. 2020― Mar. 2022, Vice Dean of Graduate School of Information Science and Technology, The University of Tokyo. Apr. 2016― Mar. 2018, Head of Department of Creative Informatics, Graduate School of Information Science and Technology, The University of Tokyo. Apr. 2013―Mar. 2019, Professor, Department of Creative Informatics, Graduate School of Information Science and Technology, The University of Tokyo. July 2002―Dec. 2008, Research Fellow, NEC Corporation, Japan. July 2000―June 2002, Principal Researcher, NEC Corporation, Japan. Sept.1995―June 2000, Assistant Manager, NEC Corporation, Japan. Aug.1992ーAug.1995, Visiting Scientist, NEC Research Institute, Inc., NJ, U.S.A. July 1992, Assistant Manager, NEC Corporation, Japan. Apr.1987―June 1992, Researcher, NEC Corporation, Japan.
Education
1992, Ph.D. in Mathematical Engineering from the University of Tokyo, Japan. Advisor: Prof. Shun-ichi Amari. Dissertation: A Statistical Approach to Computational Learning Theory. 1987, M.S. in Mathematical Engineering from the University of Tokyo, Japan. Advisor: Prof. Shun-ichi Amari. Thesis: A Study on Algebraic-Geometric Codes. (in Japanese). 1984, B.A. in Mathematical Engineering from the University of Tokyo, Japan. Advisor: Prof. Shun-ichi Amari. Thesis: A Geometrical Approach to Theories of Time Series and Systems. (in Japanese).
Background
Research Interest: Information-theoretic Learning Theory, Computational Learning Theory, Statistical Inference, Computational Statistics, Theory of Latent Dynamics. Applications: Machine Learning, Data Mining (Anomaly Detection, Rule Induction), Text Mining (Text Classification, Topic Analysis).
Miscellany
IEEE Information Theory Society/Computer Society, Senior Member. ACM KDD. IEICE (Institute of Electronics, Information, Communication, and Engineers), Fellow. JSAI (Japanese Society of Artificial Intelligence). SITA (Society of Information Theory and Its Applications).