In the reign of Emperor Monmu, he was promoted to the Daijo-daijin (Grand minister of state) because of his great work in the establishment of the Taiho Ritsuryo (Taiho Code), but he died in 705.
文武朝において、漸く大宝律令の制定に功を上げ、太政大臣に出世したが、慶雲2年（705年）に薨去する。