He learned about gunnery while under the supervision of Hidetatsu EGAWA and he learned about seamanship with Ryoma SAKAMOTO, one of the school's managers, Munemitsu MUNE, and others at the Kobe Naval Training Center which was established by Kaishu KATSU.
江川英龍のもとでは砲術を学び、勝海舟の神戸海軍操練所では塾頭の坂本龍馬、陸奥宗光らと共に航海術を学ぶ。