- 2025/06 - 現在 Fukada Geological Institute
- 2025/06 - 現在 Kumamoto University Center for Water Cycle, Marine Environment and Disaster Mitigation
- 2025/04 - 2025/06 Fukada Geological Institute
- 2017/11 - 2025/03 Kumamoto University Center for Water Cycle, Marine Environment and Disaster Mitigation
- 2017/04 - 2025/03 Kumamoto University Unregistered, Unregistered
- 2007/04 - 2017/03 Kumamoto University Graduate School of Science and Technology
- 2006/04 - 2007/03 Kumamoto University Graduate School of Science and Technology, Graduate School of Science and Technology
- 2006 - 2007 Associate Professor,
- 2007 - Professor, ,Graduate School of Science and Technology(Science group),Kumamoto University
- 1995/04 - 2006/03 Kumamoto University Faculty of Science
- 1995 - 2006 Associate Professor,
- 1988/04 - 1995/03 石油公団 石油開発技術センター地質・地化学研究室 研究員
- 1988 - 1995 Researcher,JNOC-TRC
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International Association of Sedimentologists
, The Japanese Association for Petroleum Technology
, JAPANESE CORAL REEF SOCIETY
, JAPAN ASSOCIATION FOR QUATERNARY RESEARCH
, THE SEDIMENTOLOGICAL SOCIETY OF JAPAN
, THE GEOLOGICAL SOCIETY OF JAPAN