- 1982 - 海洋学部 教授
- 1982 - Proffesor of Tokai Univ.
- 1973 - 海洋学部 助教授
- 1973 - Assistant Professor of Tokai Univ.
- 1966 - Tokai University School of Marine Science and Technology
- 1966 - Lecture of School of Marine Science and
- 1965 - Tokai University School of Marine Science and Technology
- 1965 - Assistant of School of marine Science and
- 1962 - 東海大学水産研究所 助手
- 1962 - Assistant of Fisheries Research Laboratory,
- Technology, Tokai Univ.
- Tokai Univ.
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