KANMONKAI Co., Ltd. develops, operates, manages, and franchises restaurants in Japan and internationally. It runs directly managed and franchised stores under the Genpin name and sells tiger puffer fish dishes. The company also handles ingredient procurement and business development services. Formerly known as Sakanatei Co., Ltd., it changed its name to KANMONKAI Co., Ltd. in March 2001, was founded in 1980, and is headquartered in Matsubara, Japan.