Member of Japanese Society Plant Physiologists (secretary-general 1980, 1986-1989, president 1992-1993, 1998-1999, science advisory since 2005, Plant and Cell Physiology prize 1997).
Research associate Kyoto University Research Institute Food Science, Japan, 1958—1967, lecturer, 1968, associate professor, 1969—1984, professor, 1985—1997. Professor department biotechnology Fukuyama University, Japan, since 1997. Research associate department botany and plant pathology Michigan State University, East Lansing, United States, visiting professor department biochemistry, 1982.
Visiting professor Australian National University Research School Biological Sciences, Canberra, 1983, adjunct professor, since 1997. Visiting professor Universität Würzburg, Germany, 1988—1995. Dean graduate school life science and biotechnology Fukuyama University, Japan, since 2001.
- Member editorial board: Plant and Cell Physiology, 1975-1978, Photosynthesis Research, 1995-1997. Editor: Plant and Cell Physiology, 1981-1984, Journal Biochemistry, 1989-1990, Bioscience, Biotechnology and Biochemistry, 1991-1993. Editor-in-chief: Plant and Cell Physiology, 1995-1997, associate editor: Photosynthesis Research, 1998—2004, monitoring editor: Plant Physiology, member advisory board: Bioscience, Biotechnology and Biochemistry, since 2004.
1958 - 1967