HOYA Corp. engages in the manufacture and sale of imaging products, electronics, and medical-related equipment. It operates through the following segments: Information Technology, Life Care, and Others. The Information Technology segment develops, sells and produces input/output (I/O) device related products for the information and communications sector, including imaging, modern digital information and communications technology related products. The Life Care segment produces and sells health care and medical related products. The Others segment includes information system services and business contracts. The company was founded by Shigeru Yamanaka and Shoichi Yamanaka on November 1, 1941 and is headquartered in Tokyo, Japan.