Kaihan Co., Ltd. engages in the restaurant business. It operates through the following two business divisions: Food and Beverage; and Renewable Energy. The Food and Beverage business plans, develops, and operates restaurants, mainly izakaya restaurants, an informal Japanese style bar that serves alcoholic drinks and snacks. The Renewable Energy business engages in the development of solar power generation equipment, agricultural solar power generation equipment, and the sale of solar power generation equipment. The company was founded by Toshitaka Hisada on May 14, 2003 and is headquartered in Nagoya, Japan.