- 2023/04 - 現在 地方独立行政法人 北海道立総合研究機構 森林研究本部 林産試験場
- 2014/04 - 2023/03 Local Independent Administrative Agency Hokkaido Research Organization Forest Products Research Institute, Forest Research Department Director, Wood Utilization Division
- 2012/04 - 2014/03 Local Independent Administrative Agency Hokkaido Research Organization Planning & Extention Group, Corporate Supporting Division, Forest Products Research Institute, Forest Research Department Senior Researcher
- 2010/04 - 2012/03 Local Independent Administrative Agency Hokkaido Research Organization Timber Engineering Division, Forest Products Research Institute, Forest Research Department Senior Researcher
- 2008/04 - 2010/03 Hokkaido Forest Products Research Institute Timber Engineering Division Senior Researcher
- 2005/04 - 2008/03 Hokkaido Forest Products Research Institute Timber Engineering Division Chief, Wood Preservation Section
- 2001/04 - 2005/03 Hokkaido Forest Products Research Institute Wood Preservation Section, Timber Engineering Division Researcher
- 1999/04 - 2001/03 Hokkaido Forest Products Research Institute Wood Preservation Section, Timber Engineering Division Researcher
- 1992/08 - 1999/03 Hokkaido Forest Products Research Institute Wood Preservation & Fire Protection Section, Timber Engineering Division Researcher
- 1987/04 - 1992/07 FUJIMORI KOGYO CO., LTD. Researcher
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Architectural Institute of Japan
, Japan Wood Protection Association
, Wood Technological Association of Japan
, The Japan Wood Research Society