- 1971 - 1987 国際キリスト教大学 助手
- 1971 - 1987 ICU, Teaching Assistant
- 1974 - 1977 国学院大学 非常勤講師
- 1974 - 1977 Chiba University
- 1974 - 1977 Kokugakuin University, Part time Lecturer
- 1974 - 1977 Chiba University, Part time Lecturer
- International Christian University College of Liberal Arts, Division of Languages
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