Takeda crest

Masazumi Kosaka (died 1582) was a Takeda general who was killed in the Battle of Nagashino.


Masazumi Kosaka was a general of the Takeda clan's head Shingen Takeda, and later served as a commander of his son Katsuyori Takeda. In the fatal Battle of Nagashino, Masazumi was killed by Oda-Tokugawa samurai warriors, along with the rest of the Takeda, who were annihilated.