He was the 17th and 19th Governor of the Bank of Japan (BOJ). Srved in the Bank of Japan. He was appointed Governor of the bank in 1945. Purged after the end of the war, he was reinstated in 1950. In 1951, when the Japan Electric Power Generation and Transmission Corporation was replaced by the nine regional power companies, he was appointed president of the Tokyo Electric Power Company. After the peace treaty took effect in 1952, he was appointed an Ambassador to the United States.