Assignee
PILKINGTON VISIONCARE HOLDINGS
US·8 granted patents·591 citations·filing 1986–1990
Top patents by PatentIndex Score
8 records- 0196US5104692ATwo-layer antireflective coating applied in solutionPILKINGTON VISIONCARE HOLDINGS·Filed 1990·Granted Apr 14, 1992·193 cites·23 claims
- 0296US5100226ADiffractive ophthalmic lens for correcting astigmatismPILKINGTON VISIONCARE HOLDINGS·Filed 1989·Granted Mar 31, 1992·129 cites·19 claims
- 0393US5173368ASolution-applied antireflective coatingsPILKINGTON VISIONCARE HOLDINGS·Filed 1988·Granted Dec 22, 1992·83 cites·24 claims
- 0491US4954591AAbrasion resistant radiation curable coating for polycarbonate articlePILKINGTON VISIONCARE HOLDINGS·Filed 1987·Granted Sep 4, 1990·67 cites·11 claims
- 0579US5149183AColor enhancing lensPILKINGTON VISIONCARE HOLDINGS·Filed 1990·Granted Sep 22, 1992·66 cites·7 claims
- 0675US4898695AMethod for tinting hydrophilic plastic articlesPILKINGTON VISIONCARE HOLDINGS·Filed 1988·Granted Feb 6, 1990·29 cites·11 claims
- 0751US4806010AMultifocal lensPILKINGTON VISIONCARE HOLDINGS·Filed 1986·Granted Feb 21, 1989·20 cites·6 claims
- 0831US4900366AMethod for cleaning contact lens with dissolving abradantPILKINGTON VISIONCARE HOLDINGS·Filed 1988·Granted Feb 13, 1990·4 cites·4 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →