Kogetsu

Kogetsu is a brand of Japanese knives produced by Goko Hamono, a small knife-making workshop located in Kashiwa City, Chiba Prefecture. The workshop is run by Norihiko Yamakawa and Yoshito Yamakawa, a father and son team. Norihiko Yamakawa first founded Goko Hamono in 1990 as a cutlery wholesaler, before turning it into a knife-making workshop in 1995.