HOYA Corporation is a global technology company based in Tokyo, Japan, and the leading supplier of innovative and indispensable high-tech products and services based upon its advanced optics technologies. HOYA employs approximately 35,000 employees in more than 100 subsidiaries and affiliates across the globe.
HOYA is active in four fields of business:
Health Care provides eyeglasses, operates retail shops for contact lenses, and makes intraocular lenses for cataract surgery.
Electronics provides mask blanks and photomasks for
LCD TV's, hard discs, lenses
for BluRay players et cetera.
Medical provides lenses for medical equipment such as endoscopes, medical accessories and ceramic
bone crafts and fillers.
Imaging produces SLR/compact digital cameras, interchangeable lenses, lens modules and micro lenses.