He participated in the compilation and editing of the 'Nihon montoku tenno jitsuroku' (Record of the Reign of Emperor Montoku of Japan, usually shortened to Montoku Jitsuroku), but died before the work was complete.
「日本文徳天皇実録（略称・文徳実録）」の編纂にも関与したが、完成する前に亡くなっている。