Whilst sitting as a Councilor, he served as a Deputy Minister Plenipotentiary at the time of the San Francisco Peace Treaty, as Chairperson of the Liberal Party Councilors in the Upper House, and the first Chairperson of the Liberal Party Kyoto Member Union (4 consecutive terms), and in other posts; in addition, he attended to important matters of state as Minister of State and other posts in the 3rd through to 5th Yoshida Cabinets.
在任中は、サンフランシスコ講和条約の首席全権代理、参議院自由党議員会長、自民党京都府議連初代会長（4期連続）などを務めた他、第三次から第五次吉田内閣で国務大臣を務めるなど国政の要職を歴任した。