HOYA CORPORATION ^None

HOYA CORPORATION is a company that manufactures and sells electronics, imaging, healthcare, and medical products. They have three business segments: Information and Communication, Life Care, and Others. The Information and Communication segment has two divisions that offer photomasks, mask blanks, and optical devices. The Life Care segment has two divisions that offer ophthalmic lenses, contact lenses, endoscopes, intraocular lenses, and artificial bones. The Others segment is involved in building information systems. In 2011, they established a subsidiary to takeover the manufacture and sale of imaging systems, which was later sold to Ricoh Company, Ltd.