Since its establishment as a specialty manufacturer of optical glass, HOYA has diversified its business portfolio from electronics to health care and to medical field globally.
Eyeglass Lenses/Contact Lens/Medical Endoscopes/Intraocular Lenses/Other Medical Related Products
Mask Blanks and Photomasks for Semiconductor Manufacturing/Photomasks for FPDs/Glass Disks for Hard Disk Drives/Imaging Related Products
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