Ringer Hut Co., Ltd. operates restaurants in Japan and internationally. It operates approximately 800 stores under the Nagasaki Champon Ringer Hut, Tonkatsu Bonito, and Nagasaki Takumi Hamakatsu brands. The company was formerly known as Hamakatsu Corporation and changed its name to Ringer Hut Co., Ltd. in August 1982. Ringer Hut Co., Ltd. was founded in 1962 and is headquartered in Tokyo, Japan.