After Miyamasu died with no successor, Tadayoshi became the originator of the Ko school of kotsuzumi-kata, separately from his senior pupil, Toyotsugu KANZE (the originator of the kotsuzumi-kata Kanze school).
宮増が後嗣を欠いたまま没すると、忠能は兄弟子の観世豊次（小鼓方観世流の祖）と座を分って世襲し、小鼓方幸流の祖となった。