Especially what made him famous can be that he made the draft of the imperial order for the Restoration of Imperial Rule which was presented at the Kogosho Conference (the meeting held in the presence of the Emperor in the Kogosho Conference Room of Kyoto Imperial Palace at the night of December 9, 1867, when the Decree for the Restoration of Imperial Rule was issued).
ことに有名なのは小御所会議の席上示された王政復古の勅を起草したことであろう。