In 1859, he was promoted to Monogashira-kaku Otsukaiban (a person responsible for order and patrol in the battlefield, at Military Commanders status) with a stipend of 100 koku by a roju (senior councilor) Hirochika KUZE and became a grand master of Western gunnery and Western studies in bakufu.
1859年（安政元年）、老中久世広周により禄百石の物頭格御使番に格上げされ、幕府の西洋砲術及び蘭学の師範となる。