Kan-Nanmaru Corporation operates restaurants as a franchisee in Japan. It also operates tea houses and coffee shops. The company's restaurants offer Japanese cuisines and charcoal-grilled foods. As of June 30, 2020, it operated restaurants under various brands, including 31 Shoya and 21 Nihonkaishoya branches, 4 Yaruki Chaya branches, 1 Rohen branch, 3 Uta Uda Village branch, and 2 Jinbe Taro branch, as well as a Doutor Coffee shop. The company was formerly known as Inshoku Kigyo Co., Ltd. and changed its name to Kan-Nanmaru Corporation in February 1995. Kan-Nanmaru Corporation was founded in 1982 and is headquartered in Saitama, Japan.