Established in 1941, Hoya Optical Laboratories is one of the pioneers in manufacturing of optical glass in Japan. It encompasses information technologies, eye care, medical and imaging systems. The company focuses on developing and manufacturing ophthalmic lenses, coating techniques and lens designs to correct ophthalmic imperfections. Hoya is one of the largest chains of contact lens with 150 locations in Japan and serves over six million customers annually. The company offers an array of products, which includes photomasks/mask blanks for semiconductors, photomasks/mask blanks and devices for liquid crystal displays, glass disks for hard disk drives, optical lenses/glasses and electro optical glasses. Hoya additionally provides customers with eyeglass lenses, eyeglass frames, contact lenses, intraocular lenses, endoscopes, bone prosthesis, digital cameras, interchangeable lenses, digital camera modules, micro lenses and closed-circuit television lenses.