- 2005 - - 宮城大学食産業学部 教授
- 2005 - - Miyagi University, Professor
- 2001 - 2004 Miyagi Agricultural College
- 2001 - 2004 Miyagi Agricultural College, Associate
- 1993 - 2001 Miyagi Agricultural College
- 1993 - 2001 Miyagi Agricultural College, Lecturer
- 1991 - 1993 Miyagi Agricultural College
- 1991 - 1993 Miyagi Agricultural College, Assistant
- 1985 - 1991 Miyagi Prefectural Livestock Experiment Station
- 1985 - 1991 Miyagi Prefectural Animal Industry
- Professor
- Experiment Station, engineer
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