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KOYO

Koyo is a leading manufacturer of rotary encoders, headquartered in Kodaira, Japan. Founded in 1959, the company is officially registered as Koyo Electronics Industries Co., Ltd. It specializes in electronic control devices and sensors. Its precision rotary encoders and programmable logic controllers are essential for industrial robotics, elevator systems, and factory automation worldwide. Following its integration into the JTEKT Group in 2006, the firm officially rebranded as JTEKT Electronics in 2022.