Moving to Kyoto, Takatane served Shogun Yoshihisa ASHIKAGA of the Muromachi bakufu, and participated in the Chokyo and Entoku Campaigns (the 1487 [Chokyo 1] campaign and the 1491 [Entoku 3] campaign against the Rokkaku clan in Omi Province, which are also known as the Rokkaku Seibatsu [Subjugation]).
京都に上って室町将軍足利義尚に仕え、1487年の長享の乱・1491年の延徳の乱にも参加。