Kodenshi Corporation was established in May 1972, in Uji-shi, Kyoto, Japan as a semiconductor producing company. The Company has been active in the optical semiconductor market for the past forty years through continual research, development, production, and sales of solar cells. Since the establishment of Kodenshi Corp, the Company has been developing new forms of photo diodes, light receiving element of photo transistors, red LEDs, photo ICs, etc.