He was elected to a member of the House of Peers of the Imperial Diet from barons in 1939 and he served until 1947 when the House of Peers was abolished. After World War II, he was elected to a member of House of Councillors of the National Diet from Kagoshima at-large district in 1947 election and 1950 election. He was initially an independent member and later belonged to the Liberal Party and then the Liberal Democratic Party. He served as the Chairs of the Committee on telecommunications of the House of Councillors.
