He was recuperating in Nagasaki during Anglo-Satsuma War, but was appointed Gunbuyaku (army commander) and the commander of cannon troops in Kinmon Incident, and also used his influence to help Choshu clan purchase armaments in Nagasaki during the Second Choshu Conquest in 1866.
薩英戦争では長崎にて病気療養中だったが、禁門の変においては軍賦役・大砲隊長に任ぜられ、慶応2年（1866年）の長州征討の際は、長崎にて長州藩の軍備品購入の斡旋をした。