Mitsuyori, a native of Mino province, first served Takeda Nobutora and later Takeda Shingen under Itagaki Nobutaka. He acted as a captain of infantry and is said to have fought in 29 battles in this capacity, including Sezawa (1542) and Uehara (1542). He was known for his skills at night warfare, which Shingen put to good use at Sezawa. He died of illness in 1563.
- Initial text from Samurai-Archives.com FWSeal & CEWest, 2005