- 2003 - 2004 The University of Tokyo Institute for Advanced Studies on Asia
- 2000 - 2003 東京大学大学院情報学環教授・東洋文化研究所併任教授
- 2000 - 2003 Professor,Graduate School of Interdiciplinary Information Studies and Institute of Oriental Culture,the University of Tokyo
- 2003 - - Professor,Institute of Oriental Culture,the University of Tokyo
- 1999 - 2000 The University of Tokyo Institute for Advanced Studies on Asia
- 1999 - 2000 Professor,Institute of Oriental Culture,the University of Tokyo
- 1992 - 1999 The University of Tokyo Institute for Advanced Studies on Asia
- 1992 - 1999 Associate Professor,Institute of Oriental Culture,Tokyo University
- 1990 - 1992 Kyushu University School of Letters
- 1990 - 1992 Associate Professor,faculty of Letters,Kyushu University
- 1987 - 1990 Tottori University
- 1987 - 1990 Associate Professor,Faculty of Education,Tottori University
- 1984 - 1987 Tottori University
- 1984 - 1987 Lecturer,Faculty of Education,Tottori University
- 1981 - 1984 Tottori University
- 1981 - 1984 Research Assistant,Faculty of Education,Tottori University