From 1521 to 1528, Ujichika constructed a castle (Nagoya-jo Castle [first written as 那古野城, and later written as 名古屋城]) in Nagoya, Owari Province, which was once the territory of the Nagoya clan, and appointed Ujitoyo as the lord.
大永年間（1521年-1528年）に氏親は那古野氏の領地だった尾張国那古野の地に城を築き（那古野城、後の名古屋城）、氏豊を城主とした。