He subsequently returned to his domain and made efforts in mine development, and after the Meiji Restoration, he accompanied the Iwakura Mission (a Japanese diplomatic journey to Europe and the United States between 1871 and 1873 by the top officials of the new Meiji government) to visit and study mines in Europe, and after returning to Japan, he became the first chairman of Mining and Metallurgical Institute of Japan.
やがて、藩に戻り鉱山開発に努め、維新後には岩倉使節団に同行、ヨーロッパの鉱山を視察、帰国後は日本鉱業会の初代会長を務めた。