- 1988 - 2001 Komazawa University
- 1988 - 2001 KomaZAWA University, part-time lecturer
- 1995 - 2000 Hiroshima City University
- 1995 - 2000 Hiroshima City University, Associate Professor
- 1989 - 1995 Tokyo Medical and Dental University
- 1989 - 1995 Tokyo Medical and Dental University, part-time lecturer
- 1987 - 1995 上智短期大学非常勤講師
- 1987 - 1995 Sophia junior college, part-time lecturer
- 1981 - 1987 Sophia University Faculty of Humanities
- 1981 - 1987 Sophia University, Assistant
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