"Manyoshu" (the oldest anthology of tanka) includes his 45 poems; among which are poems with dates of composition indicating that he was actively writing poems for at least nineteen years, from 715 when he composed a Banka (lament) for Prince Shiki to 733 when he wrote "贈入唐使歌" (a poem presented to a Japanese envoy to Tang Dynasty China).
『万葉集』に45首を残し、そのうち作歌の年次がわかるものは715年（霊亀元年）の志貴皇子に対する挽歌から、733年（天平5年）の「贈入唐使歌」までの前後19年にわたるものである。