- 2015/10/01 - 現在 University of Miyazaki Director Vice President
- 2015/10/01 - 現在 University of Miyazaki
- 2013/10/01 - 2015/09/30 University of Miyazaki Interdisciplinary Graduate school of Agriculture and Engineering
- 1997/09/01 - 2015/09/30 University of Miyazaki Faculty of Agriculture Department of Biochemistry and Applied Biosciences Living thing function science course Professor
- 1997/09/01 - 2015/09/30 Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, Miyazaki University Professor
- 2011/10/01 - 2013/09/30 University of Miyazaki Interdisciplinary Graduate school of Agriculture and Engineering
- 2005/10/01 - 2009/09/30 University of Miyazaki Vice President
- 1997/09/01 - 2007/03/31 University of Miyazaki
- 2004/04/01 - 2005/09/30 University of Miyazaki Faculty of Agriculture
- 2003/10/01 - 2005/09/30 University of Miyazaki Frontier Science Research Center
- 2002/04/01 - 2004/03/31 University of Miyazaki Faculty of Agriculture
- 2003/04/01 - 2003/09/30 University of Miyazaki
- 2000/01/01 - 2003/09/30 University of Miyazaki
- 2000/04/01 - 2001/03/31 University of Miyazaki Faculty of Agriculture Department of Biochemistry and Applied Biosciences
- 1999/03/29 - 2000/01/28 Department of Biochemistry, The University of Texas Health Center at Tyler Visiting Professor
- 1990/11/01 - 1997/08/31 University of Miyazaki Faculty of Agriculture Associate Professor (as old post name)
- 1990/10/01 - 1997/08/31 Department of Biological Resource Sciences, Faculty of Agriculture, Miyazaki University Associate Professor (as old post name)
- 1997/07/05 - 1997/08/04 Department of Biochemistry, The University of Texas Health Center at Tyler Visiting Associate Professor
- 1995/08/20 - 1995/09/19 Department of Biochemistry, The University of Texas Health Center at Tyler Visiting Associate Professor
- 1994/08/20 - 1994/09/19 Department of Biochemistry, The University of Texas Health Center at Tyler Visiting Associate Professor
- 1992/07/10 - 1992/08/31 Department of Biochemistry, University of Oklahoma Visiting Associate Professor
- 1991/07/01 - 1991/08/31 Department of Biochemistry, University of Oklahoma Visiting Associate Professor
- 1979/06/01 - 1990/10/31 University of Miyazaki Faculty of Agriculture Research Assistant
- 1979/06/01 - 1990/09/30 Department of Agricultural Chemistry, Faculty of Agriculture, Miyazaki University Research Assistant
- 1990/07/01 - 1990/08/31 Department of Biochemistry, University of Oklahoma Visiting Associate Professor
- 1985/04/01 - 1987/03/31 Lipmann Laboratory, The Rockefeller University Postdoctoral Fellow
- 1979/04/01 - 1979/05/31 Postdoctoral (JSPS) Fellow, Kyushu University Researcher
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Japan Sciety for Bioscience, Biotechnology and Agrochemistry
, The Japanese Biochemical Society
, Pesticide Science Society of Japan
, The Japanese Society of Applied Glycoscience
, 生物機能研究会
, The Society for Biotechnology, Japan
, Japan Bioindustry Association