KANMONKAI Co., Ltd. develops, operates, manages, and franchises restaurants in Japan and internationally. The company operates directly managed and franchised stores under the Genpin name. It also engages in procurement of ingredients, and business development services. The company was formerly known as Sakanatei Co., Ltd. and changed its name to KANMONKAI Co., Ltd. in March 2001. KANMONKAI Co., Ltd. was founded in 1980 and is headquartered in Matsubara, Japan.