- 2013/04 - 現在 帝京大学
- 2000 - - 帝京大学 教授
- 2000 - - Teikyo University, Professor
- 1992 - 1999 Teikyo University
- 1992 - 1999 Teikyo University, Assistant Professor
- 1989 - 1991 Teikyo University
- 1989 - 1991 Teikyo University, Part-time lecturer
- 1985 - 1989 Chiba University
- 1985 - 1989 Chiba University, Part-time lecturer
- 1987 - 1988 Ochanomizu University
- 1987 - 1988 Ochanomizu Women's University, Part-time
- 1984 - 1985 Shiraumegakuen College
- 1984 - 1985 Shiraume-Ggkuen Junior College,
- lecturer
- Part-time lecturer
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