Also under the reign of Muromachi bakufu, the yakata-go titles were conferred to such families as of the Ashikaga clan who were treated with higher status than shugo (provincial constables,) and also to the prominent shugo families who had successively been engaged in important posts of the bakufu government or who were credited with some great achievements, as well to kokujin-ryoshu (local samurai lords) credited with their contribution to the establishment of Muromachi bakufu.
屋形号は室町幕府でも守護以上の身分で遇される足利一門や、代々有力守護であって幕府の重職につく家や特に功績ある家柄、また、国人領主ながら、室町幕府の建設に功労ある家柄に許された。