He achieved great success, forcing Katsuyori TAKEDA and Nobutaka TAKEDA, father and son, to commit suicide at the Battle of Tenmokuzan before the arrival of the main force of the Nobunaga army.
信長の本隊が追いつく前に武田勝頼・武田信勝父子を天目山の戦いにて自害に追い込む功績をあげた。