From July 1963 to June 1964 he was concurrently head of the Hokkaidō Development Agency and of the Science and Technology Agency, and was also state minister in charge of organizing the 1964 Summer Olympics held in Tokyo.
Od jula 1963. do juna 1964., istovremeno je bio šef Agencije za razvoj na Hokaidu i Agencije za nauku i tehnologiju, kao i ministar zadužen za organizaciju Olimpijskih igara 1964. u Tokiu.