It is described in 'Taiheiki' (The Record of the Great Peace) that he was dispatched to Iwami Province when Takauji fled to Kyushu, but it seems that he was mistaken in writing for Norikane UENO, who later became Iwami no Shugo (the provincial constable of Iwami Province).
尊氏が九州に落ちると石見国に派遣されたと太平記にあるが、これは後に石見守護となった上野頼兼と書き間違えられたと思われる。