Patent assignee · JP · COMPANY

OPHTECS CORPORATION

4Patents
2Active
4Granted
36Portfolio score

Filing activity: Dec 3, 1998 → May 26, 2016 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6495598B1 Perfusate preparation for ophthalmic operation Human Necessities 59 Expired
US6258591A One-pack preparation for disinfection, neutralization and cleaning of contact lenses and method of disinfection, neutralization and cleaning Emerging Cross-Sectional Technologies 17 Expired
US8541468B2 Ophthalmic composition for treating tear dysfunction Human Necessities 3 Active
US10525159B2 Liquid preparation for contact lenses comprising hydrolyzed hyaluronic acid derivative and cationic bactericide Human Necessities 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.