Education
Department of Mathematics, Rikkyo University, Bachelor of Science, 1976
Master Course of Mathematics, Graduate School of Rikkyo University, Master of Science, 1978
Doctor Course of Mathematics, Graduate School of Tsukuba University, Doctor of Science, 1981
Professional experience
- Lecturer of Mathematics, Metropolitan College of Technology, Tokyo, 1982-1984
- Research associate, Research Institute of Mathematical Sciences, Kyoto University, 1984-1989
- Associate professor, Department of Applied Mathematics and Informatics, Ryukoku University, 1989-1992
- Professor, Department of Applied Mathematics and Informatics, Ryukoku University, 1992-1995
- Professor, Department of Computer and Systems Engineering, Kobe University, 1995-2004
- Guest researcher(part time), National Institute of Science and Technology Policy, 2004-present
- Professor, Department of Humanistic Informatics, Graduate School of Letters, Kyoto University, 2005-present
Social activities
- ACM member
- IEEE Computer Society member













