- 1978 - 1998 Ishikawa Agricultural College
- 1978 - 1998 Ishikawa Agricultural College, Assistant Professor
- 1998 - Meijo University Faculty of Agriculture
- 1998 - - Meijo University, Department of Agriculture, Professor
- 1975 - 1978 Ishikawa Agricultural College
- 1975 - 1978 Ishikawa Agricultural College, Lecturership
- 1971 - 1975 Ishikawa Agricultural College
- 1971 - 1975 Ishikawa Agricultural College, Assistant
- 1970 - Kyoto University Faculty of Agriculture
- 1970 - - Kyoto University, Dep.Agr., Assistant
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