- 2009/04 - Aichi Shukutoku University Faculty of Business Department of Business Professor
- 2004 - 2008 Aichi Shukutoku University Faculty of Business
- 2008 - - 愛知淑徳大学ビジネス学部准教授
- 2002 - 2004 Shizuoka Sangyo University Shizuoka Sangyo University
- 2002 - 2004 Shizuoka Sangyo. University, assistant professor
- 1999 - 2002 Shizuoka Sangyo University Shizuoka Sangyo University
- 1999 - 2002 Shizuoka Sangyo. University, Lecturer.
- 1998 - 1999 Kanagawa University Faculty of Economics
- 1998 - 1999 Kanagawa. University, Part-time teacher.
- 1997 - 1998 流通政策研究所 研究員補
- 1997 - 1998 Distribution Policy Institute, Research Assistant
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