- 2018/04 - 現在 Ichinoseki National College of Technology
- 2012/04 - 現在 Ibaraki National College of Technology
- 2012/04 - 2018/03 Ichinoseki National College of Technology
- 1999/04 - 2012/03 Ibaraki National College of Technology
- 1998/04 - 2012/03 Ibaraki National College of Technology Department of Electronic and Computer Engineering
- 1983/04 - 1998/03 Ibaraki National College of Technology
- 1991/10 - 1993/03 Ibaraki University
- 1988/10 - 1988/12 国際協力事業団(JICA) 専門家 EEPISプロジェクト インドネシア
- 1987/06 - 1988/03 文部省在外研究員 Tufts大学 Boston
- 1979/04 - 1983/03 Ibaraki National College of Technology
- 1975/04 - 1979/03 Ibaraki National College of Technology
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