- 1992 - 1997 Tohoku University Faculty of Economics
- 1992 - 1997 ToHoKu University, Faculty of Economics, Part Time Lecture
- 1977 - 1987 Tohoku Gakuin University Faculty of Economics
- 1977 - 1987 ToHoKu GaKuin University, Faculty of Economics, Assistant Professon
- 1975 - 1977 Tohoku Gakuin University
- 1975 - 1977 ToHoKu GaKuin University, Faculty of Economics, Lecture
- 1974 - 1975 Tohoku Gakuin University Faculty of Economics
- 1974 - 1975 ToHoKu GaKuiN University, Faculty of Economics, Assistant
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