2004/04/01 - 現在 Niigata University Graduate School of Science and Technology Life and Food Sciences Professor
1996/03/01 - 現在 Niigata University Faculty of Agriculture Department of Applied Biological Chemistry Professor
1990/12/01 - 1996/02/29 Niigata University Faculty of Agriculture Associate Professor (as old post name)
1982/12/01 - 1990/11/30 Niigata University Faculty of Agriculture Assistant
1987/08/16 - 1989/08/15 Texas A & M University, Department of Biochemistry and Biophysics Research associate of the Japan Society for the Promotion of Science
1976/04/01 - 1982/12/15 Tokyo University of Pharmacy Assistant
