- 1990 - 2000 Naruto University of Education
- 1990 - 2000 Naruto University of Education, Associate Professor
- 2000 - - 鳴門教育大学 教授
- 2000 - - Naruto University of Education, Professor
- 1988 - 1990 Naruto University of Education
- 1988 - 1990 Naruto University of Education, Lecturer
- 1985 - 1988 Naruto University of Education
- 1985 - 1988 Naruto University of Education, Research Assistant
- 1983 - 1985 Osaka University
- 1983 - 1985 Osaka University, Research Assistant
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