Over time, the Tsuchimikado family outstripped the Koutokui family, and by the end of the 17th century, they achieved a dominant position in Ommyodo across Japan by obtaining the right to grant Ommyo-ji licenses.
やがて土御門家が幸徳井家を圧し、17世紀末に土御門家は民間の陰陽師に免状を与える権利を獲得して全国の陰陽道の支配権を確立した。