- 2001 - 2003 National Research Institute of Brewing
- 2001 - 2003 Researcher of Alcohol Beverages Information
- 2003 - - 独立行政法人酒類総合研究所研究員(技術開発研究室)
- 2003 - - Researcher of Applied Brewing Sciense
- 1999 - 2000 National Tax Administration Agency
- 1999 - 2000 Researcher of Microbiology Division, National
- Division, NRIB
- Research Institute of Brewing
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