- 2003 - 現在 Tokyo University of Marine Science and Technology Faculty of Marine Science
- 1999 - 2003 Tokyo University of Fisheries
- 1993 - 1999 Nara University of Education Undergraduate of Education
- 1993 - 1999 Nara University of Education, Professor
- 1980 - 1993 Nara University of Education Undergraduate of Education
- 1980 - 1993 Nara University of Education, Associate
- 1975 - 1980 The University of Tokyo Faculty of Letters
- 1975 - 1980 Tokyo University
- Professor
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