In 822, Iemune HINO, the grandson of FUJIWARA no Manatsu, who was a child of FUJIWARA no Uchimaro, built Houke-ji Temple in Hino, Uji County, Yamashiro Province (the present Fushimi Ward, Kyoto City, Kyoto Prefecture), which was a traditional domain of the family, and worshiped a small statue of Yakushinyorai.
藤原内麻呂の子の藤原真夏の孫にあたる日野家宗が、伝領地である山城国宇治郡日野（京都府京都市伏見区）に弘仁13年（822年）に法家寺を建立して薬師如来の小像を祀った。