This category is for sites on optical related firms in Japan.
Websites submitted here must be Japan related and in English. Sites in Japanese should be submitted to the appropriate World/Japanese subcategory.
Sites 2
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- Hoya Corporation Manufacturer of optical glass and active in electro-optics, photonics, vision care, healthcare and crystal products.
- Topcon Corporation Maker of optical devices, ophthalmic, medical, surveying, and industrial instruments. Based in Itabashi-ku, Tokyo.