He successively took the positions of the Civil Administrative General of the Governor-General of Formosa and the President of the South Manchuria Railway Company to assist Japanese intrusion into the Eurasian continent, and also contributed to developing the national railway system as chief of the Japan Railway Bureau.
台湾総督府民政長官、満鉄総裁を歴任し日本の大陸進出を支え、鉄道省総裁として国内の鉄道の整備に貢献した。