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Japan
| | | |  | Aigan Corporation - Eyeglass maker and retailer, based in Osaka. With corporate profile, history, performance trends, investor relations, and corporate development.
|  | Hoya Corporation - Manufacturer of optical glass and active in electro-optics, photonics, vision care, healthcare and crystal products.
|  | Nitto Optical Co.,Ltd. - Producer of band pass filters, beam splitters, switch prisms, projectors, semiconductors, and optical pick-up heads.
|  | Optas Optical Instruments. - Suppliers of optical instruments such as magnifiers and microscopes for technical applications in industries and laboratories.
|  | Topcon Corporation - Maker of optical devices, ophthalmic, medical, surveying, and industrial instruments. Based in Itabashi-ku, Tokyo.
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Japan
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