- 1999/11 - 現在 University of Miyazaki Faculty of Agriculture, Department of Biochemistry and Applied Biosciences
- 1999/11 - 現在 Professor,Living thing function science course,Department of Biochemistry and Applied Biosciences,Faculty of Agriculture,University of Miyazaki
- 2009/10 - 2011/09 宮崎大学農学工学総合研究科 農学工学総合研究科長
- 2007/10 - 2009/09 University of Miyazaki Faculty of Agriculture
- 2006/04 - 2007/03 University of Miyazaki Faculty of Agriculture
- 2004/04 - 2005/03 University of Miyazaki Faculty of Agriculture
- 1986/02 - 1999/10 University of Miyazaki Faculty of Agriculture
- 1986/02 - 1999/10 Associate Professor,Faculty of Agriculture,University of Miyazaki
- 1977/11 - 1986/01 University of Miyazaki Faculty of Agriculture
- 1977/11 - 1986/01 Research Associate,Faculty of Agriculture,University of Miyazaki
- University of Miyazaki Faculty of Agriculture, Department of Biochemistry and Applied Biosciences, Living thing function science course,Department of Biochemistry and Applied Biosciences,Faculty of Agriculture,University of Miyazaki Professor
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