With the support from high government officials including Shigenobu OKUMA and Taisuke ITAGAKI, he worked together with Tomofusa SASSA, Shiro SHIBA and Sei ARAO to establish Toho-tsusho Kyokai (Eastern Commerce Association); he located the main office in Shanghai and was deeply involved in operations for settling the issues in East Asia.
また、政府高官であった大隈重信、板垣退助らの後援を得て、佐々友房、柴四朗、荒尾精らと謀り、東方通商協会を設立して、本部を上海市に置き、東亜問題に画策した。