Kyosemi Corporation, headquartered in Kyoto, Japan, was founded in 1980 and is one of the earliest pioneers in the manufacturing of optical semiconductor devices. Kyosemi will continue adhering to the "creation and trust as the foundation, continued to expand business; to overcome all kinds of difficulties and obstacles, hone in growth; to build a more wonderfull life and struggle together" business philosophy, constantly in the fields of expertise for the design and manufacture of optical semiconductor device, to provide the best quality service for customers.

Photodiodes, lasers, optical sensors, LED, etc.

Consumer electronics, lighting, electronic communications / Networking