- 1999 - 2000 Kyushu University School of Agriculture
- 1999 - 2000 Professor,
- 2000 - - 九州大学大学院農学研究院 教授
- 2000 - - Professor,
- 1994 - 1999 Prefectural University of Kumamoto
- 1994 - 1999 Professor,
- 1982 - 1994 熊本女子大学生活科学部 教授
- 1982 - 1994 Professor,
- 1976 - 1982 熊本女子大学文家政学部 助教授
- 1976 - 1982 Associate professor,
- 1970 - 1976 Kyushu University School of Agriculture
- 1970 - 1976 Assistant professor,
- Kyushu University
- Graduate School,
- Bioenvironmental Sciences,
- Division of Bioresource and
- Prefectural university of Kumamoto
- faculty of life sciences,
- Kumamoto women's university
- faculty of literature and home economics,
- Kyushu university
- faculty of agriculture,
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