Studied for three years in Europe and America (from 1931).
Became professor of Keijo (Seoul) University (1929). Appointed dean of Medical Department of Keijo University.(1940), professor of Matsumoto Medical University and Nagoya University (1948), dean of Medical Department of Shinshii University, president of Matsumoto Medical University (1950) and president of Shinshu University (since 1954). Became president of Nagano-ken Igakukai (Nagano Prefectural Medical Society).