- 2022/04 - Yamaguchi Prefectural University
- 2021/04 - Yamaguchi Prefectural University
- 2015/04 - Yamaguchi Prefectural University Faculty of Nursing and Human Nutrition, Department of Human Nutrition
- 2012/04 - Fukushima Agricultural Technology Centre
- 2004/04 - Fukushima Technology Centre
- 2002/04 - Fukushima Technology Centre Fukushima Technology Centre
- 1994/04 - Fukushima Technology Centre
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