- 1987 - 2001 Asia University
- 1987 - 2001 Asia University, Professor
- 1979 - 1987 Asia University
- 1979 - 1987 Asia University, Assistant Professor
- 1977 - 1979 Asia University
- 1977 - 1979 Asia University, Full-Time Instructor
- 1966 - 1977 Ochanomizu University Faculty of Letters and Education
- 1966 - 1977 Senior High School Attached to Ochanomizu Univ Teacher
- 1961 - 1966 高輪高等学校 教諭
- 1961 - 1966 Takanawa Senior High School, Teacher
- Mejiro University Faculty of Foreign Language Studies, Department of English Language Studies professor, dean,Professor,dean, professor
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