While being in office, he examined the actual condition of the domestic industries, and drew up report for the encouragement of new industry, and presented it as well as the entire thirty volumes of 'Kogyo Iken' (Opinions on Encouragement of New Industry).
在職中に国内産業の実情を調査して、殖産興業のために報告書を作り、「興業意見」全30巻とまとめて提出。