- 2022 - 現在 Okayama University
- 2012 - 現在 岡山大学環境生命科学研究科 教授
- 2004 - 2012 岡山大学自然科学研究科 教授
- 2004 - 2012 Professor,Graduate School of Natural Science and Technology,Okayama University
- 2012 - - Professor,Graduate School of Environmental and life Science,Okayama University
- 2000 - 2004 Okayama University Faculty of Agriculture, Department of Agricultural Sciences
- 2000 - 2004 Professor,Dept. of Agricultural Sciences,Faculty of Agriculture,Okayama University
- 1991 - 2000 Okayama University Faculty of Agriculture, Department of Agricultural Sciences
- 1991 - 2000 Associate Professor,Dept. of Agricultural Sciences,Faculty of Agriculture,Okayama University
- 1998 - 1999 米国ノースイースタン大学生物学部 客員教授
- 1998 - 1999 Associate Professor,Visiting Associate Professor, Department of Biology, Northeastern University
- 1986 - 1990 Research Associate,Dept. of Agricultural Sciences,Faculty of Agriculture,Okayama University
- 1985 - 1986 米国カリフォルニア大学バークレー校化学部 研究員
- 1985 - 1986 Researcher,University of California Berkeley
- 1985 - Kyoto University Institute for Chemical Research