- 2013/03 - 現在 National Institute of Technology, Hakodate College Department of Production Systems Engineering
- 2007/04 - 2013/02 National Institute of Technology, Hakodate College
- 1998/04 - 2007/03 National Institute of Technology, Hakodate College
- 1993/04 - 1998/03 National Institute of Technology, Hakodate College
- 1989/04 - 1993/03 National Institute of Technology, Hakodate College
- 1989 - 1993 Hakodate National College of Technology, Research Assistant1994-1998 Hakodate National College of Technology, Lecturer1999- Hakodate National College of Technology, Associate Professor
- 1984/04 - 1989/03 松下電器産業株式会社 松下電子工業株式会社 出向
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