In the early 9th century, the study of ritsuryo flourished and a lot of Myoho experts were produced including SANUKI no Naganao, OKIHARA no Miniku, NUKATA no Imatari, KOREMUNE no Naomoto and also clans of Myoho doctors for generations were produced including Sanuki (future Wake clan) and Koremune (future Yoshimune clan)
9世紀前半には律令の研究が興隆した時期であり、讃岐永直・興原敏久・額田今足・惟宗直本など多くの優れた明法家が輩出され、讃岐氏（後に和気氏）・惟宗氏（後に令宗氏）のように数代にわたって明法博士を輩出した一族もあった。