- 2017/04 - 現在 Hakodate University Department of Commerce
- 2016/04 - 2017/03 Tokyo Kasei University
- 2016/04 - 2017/03 Saitama Prefectural University
- 2014/04 - 2017/03 Tokyo University of Science
- 2013/04 - 2017/03 Chuo University
- 2007/04 - 2017/03 Aoyama Gakuin University
- 2006/04 - 2017/03 Keisen University
- 2000/04 - 2017/03 Musashino Art University
- 1998/04 - 2017/03 Hosei University
- 1998/04 - 2017/03 Meiji Gakuin University
- 2003/04 - 2007/03 Yokohama National University
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