Ryoden Corp. engages in the manufacture, trade, import, export, and sale of industrial systems and devices. It operates through the following segments: Factory Automation (FA) Systems, Cooling, Heating and Building Systems, Information and Communications Technology (ICT) Systems, and Electronics. The FA Systems segment offers servo systems, inverters, and numerical control devices. The Cooling and Heating and Building Systems segment provides package air conditioners, chilling units, and refrigerators. It also covers building elevators, escalators, security systems, and remote monitoring systems. The ICT Systems segment handles the purchase and sale of ICT system products overseas. The Electronics segment includes memory devices, microcomputers, power devices, and raw materials. The company was established on April 22, 1947 and is headquartered in Tokyo, Japan.