His school was called 'Okuyama Nen-ryu school' ("okuyama" means "the heart of mountains") or 'Hangan-ryu school' because he did practices in Mt. Kurama in Kyoto, and it was also called 'Kamakura Nen-ryu school' because he was given inherited secret swordplay in Kamakura.
京の鞍馬山で修行したことから、「奥山念流」あるいは「判官流」といい、また、鎌倉で秘伝を授かったことから「鎌倉念流」ともいう。