RYOKUSEISHA CORPORATION, since 1951 has established as a maker of such devices as Radio Buoys, and Aids to Navigation, to increase the operating efficiency of the fishing industry and rationalize operating expenses, and devices such as the SEA LIGHT to ensure the safety of maritime traffic and prevent disasters at sea. Furthermore, we were the first to succeed in the development of the Wave Activated Generator that generates electric power on the natural energy of the sea, and starting with various practical devices, we have developed many other ocean-related devices with power saving and safety as the subject. Also,developed GPS buoy and Satellite buoy. Futuremore, through various devices that aid in the conservation of resources, power saving and the creation of an environment without pollution, and by offering uniform quality, technology and service, we intend to be the RYOKUSEISHA whom you can consult pertaining to anything regarding power-saving and safety devices.