- 2023/07 - 現在 Nippon Koei Co., Ltd. Research and Development Center Senior Engineer
- 2021/11 - 2023/06 Nippon Koei Co., Ltd. Research and Development Center Senior Researcher
- 2020/04 - 2021/05 National Agriculture and Food Research Organization Institute for Rural Engineering, NARO
- 2018/04 - 2020/03 農研機構 農村工学研究部門 地域資源工学研究領域長
- 2016/04 - 2018/03 National Agriculture and Food Research Organization
- 2015/04 - 2016/03 National Agriculture and Food Research Organization
- 2013/04 - 2015/03 Ministry of Agriculture, Forestry and Fisheries
- 2011/04 - 2013/03 National Agriculture and Food Research Organization
- 2010/04 - 2011/03 National Agriculture and Food Research Organization
- 2008/04 - 2010/03 National Agriculture and Food Research Organization
- 2007/07 - 2008/03 National Agriculture and Food Research Organization
- 2001/04 - 2007/06 National Agriculture and Food Research Organization
- 1999/04 - 2001/03 Ministry of Agriculture, Forestry and Fisheries
- 1989/04 - 1999/03 Ministry of Agriculture, Forestry and Fisheries
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