- 1975 - 1989 National Institute of Technology, Asahikawa College
- 1975 - 1989 Asahikawa-National College of Technology, Associate Professor
- 1989 - - 旭川工業高等専門学校 教授
- 1989 - - Asahikawa-National College of Technology, Professor
- 1971 - 1975 National Institute of Technology, Asahikawa College
- 1971 - 1975 Asahikawa-National College of Technology, Lecturer
- 1968 - 1971 National Institute of Technology, Asahikawa College
- 1968 - 1971 Asahikawa National College of Technology, Assistant
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