- 2007/04 - 現在 Hachinohe Institute of Technology Faculty of Engineering
- 2002 - Hachinohe Institute of Technology
- 2002 - Hachinone Institute of Technology, Assistant
- 1989 - - 八戸工業大学 講師
- 1989 - - Hachinohe Institute of Technology, Lecturer
- 1981 - 1988 Hachinohe Institute of Technology
- 1981 - 1988 Hachinohe Institute of Technology, Research
- 1980 - 1981 Hachinohe Institute of Technology
- 1980 - 1981 Hachinohe Institute of Technology, Temporarily
- Professor
- Assistant
- Lecturer
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