- 1991 - 2002 Hiroshima University Faculty of Medicine
- 1991 - 2002 Department of Anesthesiology and Critical Cave Medicine, Faculty of Medicine,
- 2002 - - 広島大学大学院医歯薬学総合研究科展開医科学専攻病態制御医科学講座(麻酔蘇生学)
- 1990 - 1991 Hiroshima University Faculty of Medicine
- 1990 - 1991 Department of Anesthesiology and Critical Cave Medicine, Faculty of Medicine,
- 1988 - 1990 広島大学医学部 助教授(麻酔学教室・麻酔蘇生学教室)
- 1988 - 1990 Department of Anesthesiology and Critical Cave Medicine, Faculty of Medicine, Hiroshima University, Associate Professor
- 1980 - 1988 広島大学医学部 講師(附属病院)
- 1980 - 1988 Hiroshima University Hospital, Assistant Professor
- 1981 - 1983 米国Yale大学医学部 研究員(麻酔科)
- 1981 - 1983 Yale University, School of Medicine, Reserch Assistant
- 1977 - 1980 広島大学付属病院麻酔科助手
- 1977 - 1980 Hiroshima University Hospital, Reserch Assistant
- 1976 - 1977 関東逓信病院ペインクリニック科医員
- 1973 - 1976 広島大学医学部 助手(附属病院)
- 1973 - 1976 Hiroshima University Hospital, Reserch Assistant
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