He managed the Besshi dozan copper mine, engaged in trading copper, operated the business of producing saiseicha (remanufactured tea) and camphor and carried out raw silk business in Samegai Village, Sakata County, Shiga Prefecture.
別子銅山を経営し、神戸市に銅貿易をなし、また再製茶及び樟脳製造業を行い、滋賀県坂田郡醒ヵ井村において生糸業を営む。