Career
Yoshitada spent most of his time invading Tōtōmi Province, attacking the Katsumada and Yokota clans. However, after Yoshitada thought he had destroyed the clans of Katsumada and Yokota, and he was returning to his home at Suruga, he was attacked and killed at Shiokaizaka by the remnants of the two clans he thought to have completely destroyed. Even though at that time Ujichika was not of age, he soon carried on in his father"s legacy.