Towards the end of his life he saw the first major conflicts between his own clan and Takeda Shingen (武田 信玄), who would become one of the greatest warlords of the period.
Ku koncu svojho života videl Udžijasu prvý veľký konflikt medzi svojim klanom a Šingenom Takedom (武田 信玄), ktorý sa stal jedným z najväčších bojovníkov tohto obdobia.