Graduate, University Tokyo, 1941.
With Ministry of Home Affairs, Japan, 1941, 45-47. Head Police Administration Department Kagawa Prefectural Government. Inspector Tokyo Mount Police Department, to 1947.
Member House of Representatives of Japan, Tokyo, from 1947. Minister of state, director general Science and Technology Agency, 1959-1960. Minister of transport, 1967-1968.
Minister of state, director general Defense Agency, 1970-1971. Minister of international trade and industry, 1972-1974. Minister of state, director general Administration Management Agency, 1980-1982.
Prime minister, 1982-1987. Executive council Liberal Democratic Party of Japan, 1971-1972, 77-78, secretary general, 1974-1976, president, until 1987.
Married Tsukato Kobayashi, 1945. Children: Hirofumi, Michiko, Mieko.