Though he had became the government official and was promoted up to Genroin gikan (councilor of Chamber of Elders or Senate) after Meiji Restoration, he took part in forming Liberal Party (Japan) and became vice president.
明治維新後は政府の役人となり元老院議官にまで昇ったが、自由党(日本)を結成に参加し副総理となった。