He was active in trade with the Ming Dynasty in China and the Yi Dynasty in Korea, firstly under the Kyushu Tandai (local commissioner) Mitsuyori SHIBUKAWA, and then under the Otomo clan.
初めは九州探題渋川満頼、その後大友氏の配下で明や李氏朝鮮との貿易で活躍した。、