- 1997 - 2004 東京大学工学系研究科教授
- 1997 - 2004 : Professor, Faculty + Graduated School of
- 2004 - - 東邦大学理学部教授
- 2004 - - : Professor, Faculty of Science, Toho University
- 1992 - 1997 東京大学工学部 工学系研究科助教授
- 1992 - 1997 : Associate Professor Faculty of Eng., + School
- 1993 - 1995 パキスタン天然資源省地質調査所、地球科学研究所客員研究員
- 1993 - 1995 : Visiting Professor, Geological Survey of Pakistan
- 1975 - 1992 The University of Tokyo The Faculty of Engineering
- 1975 - 1992 : Research Associate, Faculty of Engineering,
- Engineering, the University of Tokyo
- of Eng., The University of Tokyo
- the University of Tokyo
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韓国資源環境地質学会
, 日本地熱学会
, 日本鉱物学会
, 資源素材学会
, 資源地質学会
, Korea Society of Economic and Environmental Geology
, The Geothermal Research Society of Japan
, The Mineralogical Society of Japan
, The Mining and Materials Processing Institute of Japan
, The Society of Resource Geology