- 1973 - 1991 Kagoshima University Faculty of Agriculture
- 1973 - 1991 Associated Professor, Faculty of Agriculture,
- 1991 - - 鹿児島大学農学部 教授
- 1991 - - Professor, Faculty of Agriculture, Kagoshima
- 1968 - 1973 Kyoto University Faculty of Agriculture
- 1968 - 1973 Research Associate, Faculty of Agriculture,
- University
- Kagoshima University,
- Kyoto University,
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