- 1980 - 1986 Tokyo Medical and Dental University
- 1980 - 1986 Tokyo Medical and Dental University, Research Assistant
- 1986 - - 東京医科歯科大学 講師
- 1986 - - Tokyo Medical and Dental University, Lecturer
- 1978 - 1980 イリノイ大学顎顔面頭蓋先天異常センター 助手
- 1978 - 1980 Craniofacial Center, University of Illinois, Research Assistant
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