Assignee
PILKINGTON VISIONCARE INC
US·11 granted patents·843 citations·filing 1985–1993
Top patents by PatentIndex Score
11 records- 0197US5160463AMethod of manufacturing a contact lensPILKINGTON VISIONCARE INC·Filed 1991·Granted Nov 3, 1992·157 cites·20 claims
- 0295US5302978AContact lensPILKINGTON VISIONCARE INC·Filed 1991·Granted Apr 12, 1994·155 cites·20 claims
- 0394US5158718AContact lens castingPILKINGTON VISIONCARE INC·Filed 1991·Granted Oct 27, 1992·165 cites·27 claims
- 0493US5238153ADispenser for dispersing sterile solutionsPILKINGTON VISIONCARE INC·Filed 1991·Granted Aug 24, 1993·145 cites·8 claims
- 0586US5110278AInjection molding apparatus for producing a toric lens casting mold arborPILKINGTON VISIONCARE INC·Filed 1990·Granted May 5, 1992·81 cites·6 claims
- 0673US5170192AOxygen permeable bifocal contact lenses and their manufacturePILKINGTON VISIONCARE INC·Filed 1990·Granted Dec 8, 1992·53 cites·30 claims
- 0764US5149181ALens wafer, laminate lens and method of fabrication thereofPILKINGTON VISIONCARE INC·Filed 1990·Granted Sep 22, 1992·52 cites·17 claims
- 0843US5366668APolymeric bifocal lens production processPILKINGTON VISIONCARE INC·Filed 1992·Granted Nov 22, 1994·13 cites·10 claims
- 0935US5362768AHydrogel materialPILKINGTON VISIONCARE INC·Filed 1993·Granted Nov 8, 1994·11 cites·17 claims
- 1029US5323192AMethod and packaging system for facilitating fabrication of laminated lensesPILKINGTON VISIONCARE INC·Filed 1991·Granted Jun 21, 1994·8 cites·16 claims
- 1129US4940762AOxygen permeable lens with hydrolyzable silicon groupPILKINGTON VISIONCARE INC·Filed 1985·Granted Jul 10, 1990·3 cites·14 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →