Eyeglass maker and retailer, based in Osaka. With corporate profile, history, performance trends, investor relations, and corporate development.

Manufacturer of optical glass and active in electro-optics, photonics, vision care, healthcare and crystal products.

Producer of band pass filters, beam splitters, switch prisms, projectors, semiconductors, and optical pick-up heads.

Maker of optical devices, ophthalmic, medical, surveying, and industrial instruments. Based in Itabashi-ku, Tokyo.