After the Honnoji Incident, he became Hideyoshi's vassal, and showed his administrative ability on management of silver mine, reclamation and establishment of canals, under the reign of (Hideyoshi) Toyotomi.
本能寺の変後、秀吉の家臣となり、豊臣政権下において銀山経営、干拓、用水路開設などの行政面における手腕を発揮した。