Plant growth regulators, such as gibberellins, cytokinins,
auxins, absocisic acid etc., A natural insecticide, piericidins,
produced by Streptomyces. Insect pheromones

1957~1962 The University of Tokyo 농학부 강사
1959~1960 Purdue University 식물병리학 연구원
1962~1964 The University of Tokyo 농학부 전임강사
1964~1969 The University of Tokyo 농학부 부교수
1969~1990 The University of Tokyo 농학부 (농예화학과) 교수
1979~1990 The Institute of Physical and Chemical
Research (RIKEN) 주임연구원 (겸직)
1986~1989 The University of Tokyo 농학부 학장
1990~1991 Utsunomiya University 농학부 농예화학과 교수
1991~1995 Executive Director, RIKEN
1991~1999 Director, Plant Homeostasis Research Group, RIKEN

1964 The Japan Agricultural Chemical Society Award for
Encouragement of Young Scientists
1975 Association of Japanese Agricultural Scientific
Societies Award
1985 Silver Medal, International Plant Growth Substances
Association
1993 Medal with Purple Ribbon, awarded by Japanese Government