He graduated from Medical Department of Tokyo University (1910). He went to Germany and Australia for study (1925).
He served at Tokyo Municipal Komagome Hospital, Contagious Diseases Research Institute (1914) and Government-General of Korea (1918). He became professor of Tokyo University (1927).
He was awarded Gakushi-insho (Academy of Japan Prize) (1929). He became director of Komagome Hospital (1933). He served as physician in Republic of China (1938-46). He was appointed president of Yokohama Shiritsu Ika Semmon Gakko (Yokohama Municipal Medical College) and director of Juzen Hospital attached to the same medical college (1947) and thereafter became president of Yokohama Medical University (1949).
He held additional posts of trustee of Nihon Densenbyo Gakukai (Japan Contagious Disease Society), Nihon Naikagakukai (Japan Internal Medicine Society) and Japan Bacteriological Society.