He became San hakase in 1039 and was assigned with Daigeki (Senior Secretary) and Shuzeiryo (Bureau of Taxation) before he served as the assistant governor of Mino, Echigo, Echizen, Bizen, and Harima Provinces.
長暦3年（1039年）に算博士となり、後に大外記・主税寮を兼ねた他、美濃国・越後国・越前国・備前国・播磨国の介を兼ねた。