- 1999 - 2002 Saitama Prefectural University Junior College
- 1999 - 2002 Saitama Prefectural University Junior College
- 1998 - 1999 埼玉県立衛生短期大学 教授
- 1998 - 1999 Saitama College of Health Professor
- 1987 - 1998 埼玉県立衛生短期大学 助教授
- 1987 - 1998 Saitama College of Health Assistant Professor
- 1976 - 1987 埼玉県立衛生短期大学 講師
- 1976 - 1987 Saitama College of Health Lecturer
- 1975 - 1976 埼玉県立衛生短期大学 助手
- 1975 - 1976 Saitama College of Health Assistant
- 1967 - 1975 Chiba University
- 1967 - 1975 Chiba, University Research Assistant
- Professor
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