He served as 相地役 of each construction for Nagaoka-kyo (the ancient capital of Nagaoka) in 784 and Heian-kyo (the ancient capital of Japan in current Kyoto) in 793 and made a significant contribution to governmental management of Emperor Kanmu, for example, having taken a large role in funeral ceremonies and mourning events of close blood relatives of Emperor Kanmu, such as Emperor Konin, TAKANO no Niigasa, FUJIWARA no Tabiko and FUJIWARA no Otomuro.
同3年に長岡京、同12年に平安京のそれぞれ造営の相地役を務め、また光仁天皇、高野新笠、藤原旅子、藤原乙牟漏といった桓武天皇近親者の葬儀、喪事にも大きな役割を果たすなど、桓武天皇の政権運営に当たって貢献するところ大であった。