In fact, 200 years before Shingen, Akiie KITABATAKE, who was a young court noble and busho (Japanese military commander) as well as Chinju-fu shogun (Commander-in-Chief of the Defense of the North) in the period of the Northern and Southern Courts (Japan), used the emblem of Fu-Rin-Ka-Zan on a flag when he raised an army at Mutsu Taga-jo Province (present Tagajo City, Miyagi Prefecture) in order to defeat Takauji ASHIKAGA, who took control of Kyoto.
実際は風林火山の旗印は信玄よりも200年早く、南北朝時代(日本)の若き公卿武将で鎮守府将軍であった北畠顕家が、京を制圧した足利尊氏を打倒するために陸奥多賀城（現在の宮城県多賀城市）で兵を挙げた時から使用していた陣旗であった。