Although Kai kokujin (local samurai in Kai Province) Hyogo KURIHARA and Toramasa OBU raised in revolt supported by the Suwa clan in 1531, Nobutora defeated the Owari no kami (the governor of Owari Province) Nobunari IMAI and others and in April the same year, defeated the allied local samurai at the Battle of Kawaharabe (Nirasaki City).
享禄4年（1531年）には諏訪氏の後援を得て甲斐国人栗原兵庫・飯富虎昌らが反旗するが、信虎は今井信業・尾張守らを撃破し、同年4月には河原部合戦（韮崎市）で国人連合を撃破した。