After a while, he protected Kunitomo village in Omi Province and made people there produce guns systematically by order of Shogun Yoshiteru ASHIKAGA, who was positive about bringing in guns and learned how to make gunpowder.
この少し後、自ら火薬の製法を学ぶなど鉄砲の導入に積極的だった将軍足利義輝の命令を受け、近江国国友村に庇護を与えて組織的に鉄砲を製造させている。