Assignee
PILKINGTON BARNES HIND INC
US·21 granted patents·2,087 citations·filing 1992–2001
Top patents by PatentIndex Score
21 records- 0197US5965330AMethods for fabricating annular mask lens having diffraction-reducing edgesPILKINGTON BARNES HIND INC·Filed 1996·Granted Oct 12, 1999·193 cites·19 claims
- 0297US5905561AAnnular mask lens having diffraction reducing edgesPILKINGTON BARNES HIND INC·Filed 1996·Granted May 18, 1999·287 cites·4 claims
- 0397US5757458AAnnular mask contact lensesPILKINGTON BARNES HIND INC·Filed 1996·Granted May 26, 1998·286 cites·40 claims
- 0496US5786883AAnnular mask contact lensesPILKINGTON BARNES HIND INC·Filed 1993·Granted Jul 28, 1998·186 cites·44 claims
- 0596US5771088AContact lens designed to accommodate and correct for the effects of presbyopiaPILKINGTON BARNES HIND INC·Filed 1994·Granted Jun 23, 1998·176 cites·18 claims
- 0696US5748282AMultifocal contact lensPILKINGTON BARNES HIND INC·Filed 1994·Granted May 5, 1998·174 cites·20 claims
- 0788US6337040B1Colored contact lenses and method of making samePILKINGTON BARNES HIND INC·Filed 2000·Granted Jan 8, 2002·59 cites·9 claims
- 0887US5662706AVariable transmissivity annular mask lens for the treatment of optical aberrationsPILKINGTON BARNES HIND INC·Filed 1996·Granted Sep 2, 1997·303 cites·32 claims
- 0984US5818573AOpthalmic lens inspection systemPILKINGTON BARNES HIND INC·Filed 1997·Granted Oct 6, 1998·52 cites·10 claims
- 1083US5505884AContact lenses and materials and methods of making samePILKINGTON BARNES HIND INC·Filed 1995·Granted Apr 9, 1996·45 cites·21 claims
- 1182US6284161B1Colored contact lenses and method of making samePILKINGTON BARNES HIND INC·Filed 1993·Granted Sep 4, 2001·79 cites·10 claims
- 1281US5433898AMethod of manufacturing a contact lensPILKINGTON BARNES HIND INC·Filed 1992·Granted Jul 18, 1995·70 cites·26 claims
- 1377US5801822AOphthalmic lens inspection systemPILKINGTON BARNES HIND INC·Filed 1997·Granted Sep 1, 1998·39 cites·13 claims
- 1476US5498681AMaterial for use in the manufacture of polymeric articlesPILKINGTON BARNES HIND INC·Filed 1995·Granted Mar 12, 1996·34 cites·14 claims
- 1575US5494155AIncorporation of absorbents during extraction and/or hydration of hydrogel materials used as ophthalmic devicesPILKINGTON BARNES HIND INC·Filed 1994·Granted Feb 27, 1996·40 cites·23 claims
- 1669US5629360AOptically clear polymer compositions containing an interpenetrantPILKINGTON BARNES HIND INC·Filed 1995·Granted May 13, 1997·20 cites·16 claims
- 1762US6743438B2Colored contact lenses and method of making samePILKINGTON BARNES HIND INC·Filed 2001·Granted Jun 1, 2004·12 cites·29 claims
- 1861US5534038ATinting hydrogel materials with vat dyesPILKINGTON BARNES HIND INC·Filed 1995·Granted Jul 9, 1996·11 cites·15 claims
- 1954US5482981AOptically clear polymer compositions containing an interpenetrantPILKINGTON BARNES HIND INC·Filed 1994·Granted Jan 9, 1996·8 cites·17 claims
- 2046US5519069AContact lenses and materials and methods of making samePILKINGTON BARNES HIND INC·Filed 1995·Granted May 21, 1996·12 cites·16 claims
- 2132US5713460AIncorporation of adsorbents during extraction and/or hydration of hydrogel materials used as ophthalmic devicesPILKINGTON BARNES HIND INC·Filed 1996·Granted Feb 3, 1998·1 cites·23 claims
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