In 1593 he as well as Munenaga YAMAGUCHI took charge of the land survey of the Bungo Province which was deprived of Yoshimune OTOMO as a punishment, and in the same year he opened Inaba Ginzan (silver mine) in Arai-mura Village, Gamo-gori, Kono no kori County, Inaba Province, and was entrusted with the management of the Ginzan by Hideyoshi.
文禄2年（1593年）には、大友義統が改易された、豊後国の検地を山口宗永と共に担当、また同年因幡国巨濃郡蒲生郷荒井村に因幡銀山を開き、秀吉から銀山経営を任されている。