- 2006/04 - 現在 Okayama University of Science Research Institute of Natural Sciences Professor
- 1997/04 - 2012/03 Kobe University Graduate School, Dep. of Earth and Environmental Sci. Associate Professor
- 2001/04 - 2006/03 Okayama University of Science Research Institute of Natural Sciences Associate Professor
- 2001 - Associate Professor,Okayama University of Science,Research
- 1994/04 - 1997/03 Okayama University of Science Research Institute of Natural Sciences Lecturer
- 1997 - Visiting Associate Professor, Kobe University, Graduate
- 1992/04 - 1994/03 Okayama University of Science Hiruzen Insititute Lecturer
- 1994 - Lecturer, Okayama Univ. of Science, Research Institute
- 1989/08 - 1992/03 Okayama University of Science Hiruzen Insititute Research Asscociate
- 1992 - Lecturer, Okayama Univ. of Science, Hiruzen Research
- 1989 - Research Associate, Okayama Univ. of Science, Hiruzen
- Institute of National Sciences
- school, Dep. of Natural Sciences
- of Natural Sciences
- Institute
- Research Institute
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日本物理学会
, 日本地質学会
, 日本地球化学会
, 日本岩石鉱物鉱床学会
, アメリカ地球物理学会
, Planetary and Space Sciences
, The Society of Geomagnetism and Earth
, Petrologists and Economic Geologists
, The Japanese Association of Mineralogists
, Physical Society of Japan
, Geological Society of Japan
, Geochemical Society of Japan
, American Geophysical Union