Background
Tokumasu, Koji was born on October 24, 1931 in Tokyo. Son of Tadaaki and Kichiko (Yamuachi) Tokumasu.
Tokumasu, Koji was born on October 24, 1931 in Tokyo. Son of Tadaaki and Kichiko (Yamuachi) Tokumasu.
Doctor of Medicine, Tokyo University, 1956. Doctor of Medicine, Tokyo University, 1961.
Assistant department ear-nose-throat Tokyo University, 1961-1966. Research fellow department neurology Mount Sinai Hospital, New York, 1963-1964. Lecturer Tokyo University Hospital, 1967-1971.
Associate professor department ear-nose-throat Kitasato University, Sagamihara, Japan, 1972-1984, professor department ear-nose-throat Japan, 1984-1997, professor emeritus School Medicine Japan, since 1997.
Member Barany Society, Equilibrium Research Association (councillor since 1965, board directors 1991-1996), Oto-rhino-laryngol. Society of Japan (councilor since 1996).
Married Mieko Seii, November 23, 1957. Children: Mayumi Morita, Shinya.