Usami Sadamitsu
Usami Sadamitsu also known as Usami Sadayuki was a Japanese samurai of the Sengoku period, who served the Uesugi clan of Echigo Province.
Also known as Sadakatsu, Sadamitsu was one of Uesugi Kenshin's chief retainers. He was placed in charge of the messengers during the 4th Battle of Kawanakajima.
