Hajikano Denemon served as a bushō and retainer of the Kai-Takeda clan during the Sengoku period. His real name was Takatoshi.
Denemon is believed to have originated from the Hajikano clan, a branch of the Takeda clan founded by Takeda Tokihira, the third son of Takeda Nobutoki.
Denemon served Takeda Harunobu, participating in 1548 in the Battle of Uedahara against Murakami Yoshikiyo in Shinano Province. Owing to a fierce assault by the Murakami army, Denemon was killed in action along with other retainers of the Takeda including Amari Torayasu and Saima Kawachi-no -kami. He was said to have been killed by Yoshikiyo.
Denemon was succeeded by his son, Hajikano Tadatsugu.