In 1948, he became the first Director-General of Small and Medium Enterprise Agency, but came into conflict with Prime Minister Shigeru YOSHIDA over the small and medium enterprise policy and resigned from office in 1950.
その後、1948年に初代の中小企業庁長官となったものの、吉田茂首相と中小企業政策をめぐって対立し1950年に辞任。