He was promoted to Jugoinoge (Junior Fifth Rank, Lower Grade) from Gejugoinoge (Jugoinoge granted to a local government official) in recognition of his great work for the suppression of the Rebellion of Fujiwara no Nakamaro, which occurred in 764.
外従五位下から従五位下に遷されたのは、天平宝字8年（764年）の藤原仲麻呂の乱鎮圧の功績によるものであった。