- 1998 - 2004 Mie University
- 2004 - - 桃山学院大学 教授
- 1996 - 1998 京都学園大学 教授
- 1996 - 1998 Kyoto-Gakuen University, Professor
- 1998 - - Faculty of Humanities and Social Sciences, Mie
- 1990 - 1996 京都学園大学 助教授
- 1990 - 1996 Kyoto-Gakuen University, Assistant Professor
- 1984 - 1994 Nihon University Distance Learning Division
- 1984 - 1994 Nihon University, Correspondence Course, Instructor
- 1986 - 1990 京都学園大学 専任講師
- 1986 - 1990 Kyoto-Gakuen University, Lecturer
- 1985 - 1986 Nihon University Distance Learning Division
- 1985 - 1986 Nihon University, Researcher
- University Professor
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