Koto Electric Group offers a variety of high-luminance lamps, LED lamps and hermetic seals which are trusted by customers worldwide. We have recently expanded into a new line of business including plated devices which uses our unique plating technology.

KOTO's core business is 'lighting' , started with production of huge lamps for movie shooting. We deal in various range of lamps for stages, fishing, factories, shops, and furthermore LED's.Our hermetic seal technology has been admired by many worldwide companies. This technology has been adopted to many consumer and industrial devices, in-car products to which high-quality hermetic technology is applied, and the devices for aerospace industry. Demand for optical bonding, in which technologies to build display tubes for cockpits of airplanes and optical filters are used, is now increasing. These technologies having been extended with both lamp and hermetic seals business are also applied to coating technology. By working together with leading academic institutions, it has been enabled to coat plastic, metal, and glasses, which was impossible.