Professor
- 1995 - 1996 The Open University of Japan
- 1994 - 1995 The Open University of Japan
- 1989 - 1994 Keio University
- 1994 - - 慶應義塾大学(理工学部) ,教授
- 1980 - 1992 Aoyama Gakuin University
- 1990 - 1991 兼慶應義塾大学理工学部 ,企画会議委員
- 1989 - 1990 Seisen University
- 1972 - 1989 Keio University
- 1985 - 1986 Seisen University
- 1981 - 1982 兼慶應義塾大学理工学部 ,学習指導副主任
- 1977 - 1979 兼慶應義塾大学学生部 ,委員
- 1973 - 1976 Kanto Gakuin University
- 1973 - 1975 Tokyo Woman's Christian University
- 1968 - 1972 Keio University
- 1967 - 1968 Rissho University
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