In 1566, he succeeded in having the Oda clan in Hitachi Province to surrender again, and attacked Usui-jo Castle which was a foothold of the Chiba clan in Shimousa Province.
永禄9年（1566年）には常陸の小田氏を再び降伏させ、下総の千葉氏の拠点である臼井城へ攻め寄せた。