Sanyo Denki Co., Ltd. engages in cooling systems, power systems, servo systems, electrical equipment sales, and electrical works contracting businesses in Japan, North America, Europe, East Asia, and Southeast Asia. Its cooling systems include cooling fans and cooling fan units; power systems products comprise uninterruptible power supplies, inverters, engine generators, and power conditioners for photovoltaic generation systems; and servo systems products consist of servo motors, servo amplifiers, stepping motors and drivers, controllers, and encoders. The company also sells industrial electrical equipment, control equipment, and electrical materials for medical and other markets. In addition, it operates in the field of electrical contracting for steel mills, and maintenance and repair work of old electrical equipment. The company sells its products under the SANYO DENKI brand. The company was formerly known as Sanyo Shokai Co., Ltd. and changed its name to Sanyo Denki Co., Ltd. in April 1942. Sanyo Denki Co., Ltd. was founded in 1927 and is headquartered in Tokyo, Japan.