During his reign, he imposed the tax on the merchants who came by sea to Echigo Province from other provinces for aoso, thereby gaining control over the distribution network of aoso from Echigo Province to the Kinai region.
この時代には各地から青苧購入のために訪れる諸国の船に対しても課税を行って越後－畿内間の青苧流通の支配権を獲得していった。