Toyo Denki Seizo K.K., together with its subsidiaries, manufactures and sells transportation, industrial, and information equipment systems in Japan and internationally. It manufactures electrical equipment for rail vehicles, including propulsion inverters, auxiliary power supply equipment, traction motors, driving gear units, pantographs, total train communication systems, passenger information display systems, twin disk couplings, door operating equipment, and circuit breakers, as well as railway power storage systems. The company also engages in the manufacture, sale, and related construction activities for testing system for automobiles, dynamometers, mechanical systems, control and measurement systems, and battery simulators; power generation and social infrastructure systems, such as generators, and water supply and sewage equipment systems; production and processing equipment systems, including network, printing, tire and rubber, films and plastics, paper manufacturing, and metal processing equipment; automotive electrical equipment; and industrial systems comprising controllers, inverters, and motors. In addition, it provides station operating equipment, such as commuter pass vending machines/composite ticket vending machines, mobile devices for conductors, compact vending machines, and decision engines; vehicle monitoring, equipment management, facilities management, sensor monitoring, and custom solutions; remote monitoring and control systems; and current, electricity, analog, and pulse sensors, as well as wireless measurement systems. Toyo Denki Seizo K.K. was incorporated in 1918 and is headquartered in Tokyo, Japan.