*Honorary Member, Chinese Chemical Society (1962)
*Foreign Member, Royal Swedish Academy of Sciences (1972)
*Honorary Member, Japan Pharmaceutical Association) (1973)
*Honorary Member, Chemical Society of Japan (1977)
*Honorary Member, Japan Society for Bioscience, Biotechnology, and Agrochemistry (1977)
*Honorary Member, Swiss Chemical Society (1977)
*Member, Japan Academy (1977)
*Honorary Member, Society of Synthetic Organic Chemistry of Japan (1990)