Although Nobuyoshi succeeded to the position of his father, who retired and then died of disease, he could not become influential, and he was not appointed to the position of kanrei after the death of Ujitsuna, who used to be a kanrei.
隠居、病没した父の跡を継ぐものの、勢力は取り戻せず、管領であった氏綱の没後も管領職に任命されることはなかった。