Although he was assigned as a Kagoshima municipal officer and Kurayashiki-warehouses officer, he convinced the domain to purchase a few Western sailing ships and gained an enormous profit by transporting goods from Satsuma to eastern regions.
鹿児島町吏、さらに大坂の蔵屋敷用達を命ぜられたが、貿易に着目して藩庁を説き、西洋型帆船数隻を購入して薩摩国産物を畿内に輸送、巨利を博した。