Fumio Fukuhara

Part of Ringer Hut Co., Ltd., Hamakatsu Co. Ltd. is a tonkatsu restaurant that was established in 1964 and is mainly located in Kyushu. The company is based in Nagasaki, Japan. The Japanese company offers a variety of hospitality and carefully selected materials, such as brand pork, for a higher-grade tonkatsu experience. Home delivery and take-out options are also available.

Part of Ringer Hut Co., Ltd., Ringer Hut Hawaii, Inc. is a restaurant chain based in Honolulu, HI. The company specializes in buckwheat noodles and udons, and has various locations worldwide. The company has recently revised its menu and updated its worldwide locations. The company has also implemented COVID-19 prevention measures and has adjusted its business hours accordingly. Some of the company's locations have temporarily closed for renovations or have permanently closed. The company has also opened new locations, such as the Ringer Hut Royal Hawaiian Center and the Sobaya Lanai restaurant.