Born in Tokyo in 1933. It is considered to be the successor to Professor Kiyotaka Hisauti, a pioneer of naturalized plant research in Japan, and while he is active as an authority on dentistry, he clarified his history as a leading researcher and researcher of new naturalized plants, and made many new Japanese names. He has been leading the postwar world by announcing a number of new findings such as giving. Professor Emeritus of Tokyo Dental College. Doctor of Dentistry. Honorary Chairman of the Japan Botanical Friendship Society. Honorary member of the Japanese Society of Plant Taxonomy. The first work on the theme of naturalized plants is "The Story of Green Invaders Naturalized Plants" (Asahi Sensho, 1993).