The first busho who led Akazonae is considered Toramasa OBU who served Takeda clan, afterward, Akazonae is mostly regarded as an alternative word which means Takeda army in Kai Province.
赤備えを最初に率いた武将は武田氏に仕えた虎昌とされ、以後赤備えは専ら甲斐武田軍団の代名詞とされる。