- 1995 - 1997 Yokohama National University College of Education
- 1995 - 1997 Professor, Faculty of Education, Yokohama National University
- 1997 - - 横浜国立大学教育人間科学部
- 1997 - - Professor, Faculty of Education and Human sciences, Yokohama National University
- 1981 - 1995 Yokohama National University College of Education
- 1981 - 1995 Associate Professor, Faculty of Education, Yokohama National University
- 1979 - 1981 法政大学第一教養部専任講師
- 1979 - 1981 Lecturer, Faculty of Liberal Arts, Hosei University
- 1978 - 1979 日本学術振興会奨励研究員
- 1978 - 1979 Research student, The Japan Society for the Promotion of Science
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