Sanken Electric Co., Ltd. manufactures, purchases, and sells electric equipment and apparatus. The company operates in two segments, Semiconductor Devices Business and Power System Business. Its Semiconductor Devices Business segment manufactures and sells power modules, power ICs, control ICs, hall-effect ICs, bipolar transistors, MOSFET, IGBT, thyristors, rectifier diodes, and light emitting diodes. The company's Power System Business segment manufactures and sells uninterruptible power supplies, inverters, DC power supplies, airway beacon systems, switching mode power supply units, and transformers. Its products are used in various applications, including automobiles, white goods, industrial devices, office automation equipment, and TV and audio. The company also undertakes electronic, telecommunication, and other construction works. It has operations in Japan, China, Korea, the United States, Europe, and internationally. The company was formerly known as Toho Sanken Electric Co., Ltd. and changed its name to Sanken Electric Co., Ltd. in June 1962. Sanken Electric Co., Ltd. was incorporated in 1946 and is headquartered in Niiza, Japan.