Yoshifusa was assigned as Kurodo (Officer of the Imperial Court Affairs Office) for Emperor Junna and promoted to Jugoinoge (Junior Fifth Lower Court Rank) in the Tencho era (824 to 834) during Emperor Junna's reign.
淳和天皇の天長年間（824年-834年）蔵人に補せられ、従五位下を授けられる。