Sanyo Denki Co., Ltd. engages in cooling systems, power systems, servo systems, electrical equipment sales, and electrical works contracting businesses in Japan and internationally. Its cooling systems include cooling fans and cooling fan units under the San Ace brand name; power systems products comprise uninterruptible power supplies, inverters, engine generators, and power conditioners for photovoltaic generation systems under the SANUPS brand name; and servo systems products consist of servo motors and amplifiers, stepping motors and drivers, controllers, and encoders under the SANMOTION brand name. The company also sells industrial electrical equipment, control devices, and electrical materials for medical, information and communications, industrial, environmental preservation, home automation, and energy utilization sector. In addition, it operates in the field of electrical contracting, and maintenance and repair work. 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.