Assignee
RODENSTOCK OPTIK G
DE·80 granted patents·2,462 citations·filing 1974–2002
Top patents by PatentIndex Score
80 records- 0196US5952515ADiaryl-2h-napthopyransRODENSTOCK OPTIK G·Filed 1995·Granted Sep 14, 1999·88 cites·8 claims
- 0296US4315673AProgressive power ophthalmic lensRODENSTOCK OPTIK G·Filed 1980·Granted Feb 16, 1982·150 cites·20 claims
- 0396US4240719AProgressive ophthalmic lensRODENSTOCK OPTIK G·Filed 1977·Granted Dec 23, 1980·108 cites·18 claims
- 0495US6146554APhotochromic naphtopyrane colorants, method for the production and use thereof, photochromic objectRODENSTOCK OPTIK G·Filed 1998·Granted Nov 14, 2000·103 cites·27 claims
- 0593US4959471APhotochrome spiroindoline-oxazinesRODENSTOCK OPTIK G·Filed 1989·Granted Sep 25, 1990·34 cites·13 claims
- 0692US6315928B1SpirofluorenopyransRODENSTOCK OPTIK G·Filed 2000·Granted Nov 13, 2001·36 cites·7 claims
- 0792US6036890ADiaryl-2H-naphthopyransRODENSTOCK OPTIK G·Filed 1998·Granted Mar 14, 2000·77 cites·6 claims
- 0892US5801243APhotochromic compounds (7)RODENSTOCK OPTIK G·Filed 1994·Granted Sep 1, 1998·22 cites·10 claims
- 0991US5148205AOphthalmic lens having a changing refractive indexRODENSTOCK OPTIK G·Filed 1989·Granted Sep 15, 1992·113 cites·21 claims
- 1086US6225466B1Photochromic spirofluorenopyran compoundsRODENSTOCK OPTIK G·Filed 1999·Granted May 1, 2001·35 cites·10 claims
- 1186US6171525B1Process for the production of a photochromic objectRODENSTOCK OPTIK G·Filed 1998·Granted Jan 9, 2001·60 cites·21 claims
- 1285US5637709APhotochromatic substancesRODENSTOCK OPTIK G·Filed 1995·Granted Jun 10, 1997·29 cites·4 claims
- 1385US4852974AAnti-reflection film for an optical element consisting of an organic materialRODENSTOCK OPTIK G·Filed 1986·Granted Aug 1, 1989·82 cites·6 claims
- 1484US6373615B1Neutral-colored gray photochromic plastic objectRODENSTOCK OPTIK G·Filed 1999·Granted Apr 16, 2002·56 cites·8 claims
- 1583US5061058AOpthalmic lens for use in the correction of astigmatismRODENSTOCK OPTIK G·Filed 1988·Granted Oct 29, 1991·48 cites·8 claims
- 1683US4955712AMultifocal lensRODENSTOCK OPTIK G·Filed 1989·Granted Sep 11, 1990·80 cites·8 claims
- 1782US6102543APhotochromically colored objectRODENSTOCK OPTIK G·Filed 1997·Granted Aug 15, 2000·59 cites·7 claims
- 1881US6331625B1Photochromic spirofluorenopyran compoundsRODENSTOCK OPTIK G·Filed 2000·Granted Dec 18, 2001·10 cites·21 claims
- 1981US5771089AProgressive spectacle lensRODENSTOCK OPTIK G·Filed 1997·Granted Jun 23, 1998·60 cites·8 claims
- 2081US5399687APhotochrome alkyl substituted spiroindoline compoundsRODENSTOCK OPTIK G·Filed 1993·Granted Mar 21, 1995·19 cites·20 claims
- 2181US4856889AUniform strength ophthalmic lens having a gradient refractive index changing rotation-symmetrically about the optical axis and method of making itRODENSTOCK OPTIK G·Filed 1987·Granted Aug 15, 1989·58 cites·17 claims
- 2280US6655802B2Method for producing eyeglassesRODENSTOCK OPTIK G·Filed 2001·Granted Dec 2, 2003·32 cites·16 claims
- 2379US4329737ALight-emitting diode arrangementRODENSTOCK OPTIK G·Filed 1980·Granted May 11, 1982·38 cites·7 claims
- 2478US4951349AHinge motion regulator for eyeglassesRODENSTOCK OPTIK G·Filed 1988·Granted Aug 28, 1990·50 cites·24 claims
- 2577US5645768APhotochromic compoundsRODENSTOCK OPTIK G·Filed 1995·Granted Jul 8, 1997·20 cites·4 claims
- 2677US5498686AOptically transparent photochromic plastic materialRODENSTOCK OPTIK G·Filed 1994·Granted Mar 12, 1996·53 cites·6 claims
- 2777US4364107AMethod and device for using mass-produced light-emitting diodes at a predetermined luminanceRODENSTOCK OPTIK G·Filed 1980·Granted Dec 14, 1982·32 cites·9 claims
- 2876USD446237SReading glassesRODENSTOCK OPTIK G·Filed 2000·Granted Aug 7, 2001·26 cites·1 claims
- 2975USD451119SReading glassesRODENSTOCK OPTIK G·Filed 2000·Granted Nov 27, 2001·25 cites·1 claims
- 3074US6190580B1Diaryl-2H-naphthopyransRODENSTOCK OPTIK G·Filed 1999·Granted Feb 20, 2001·25 cites·2 claims
- 3173US6686468B2H-annellated benzo[f]chromenesRODENSTOCK OPTIK G·Filed 2001·Granted Feb 3, 2004·6 cites·12 claims
- 3270US4854671AMount for optical elementsRODENSTOCK OPTIK G·Filed 1986·Granted Aug 8, 1989·35 cites·12 claims
- 3369US4906090ASpectacle lens for half-eye spectaclesRODENSTOCK OPTIK G·Filed 1985·Granted Mar 6, 1990·34 cites·20 claims
- 3469US4504128ASpectacle lens with high positive refractive powerRODENSTOCK OPTIK G·Filed 1982·Granted Mar 12, 1985·24 cites·16 claims
- 3569US4266848AOptical system for night-vision glassesRODENSTOCK OPTIK G·Filed 1979·Granted May 12, 1981·33 cites·14 claims
- 3666US6306316B1Photochromic plastic objectRODENSTOCK OPTIK G·Filed 1999·Granted Oct 23, 2001·28 cites·15 claims
- 3765US5707557APhotochromic 3H-naphthopyransRODENSTOCK OPTIK G·Filed 1996·Granted Jan 13, 1998·30 cites·11 claims
- 3865US4556300APad assembly for eyeglass framesRODENSTOCK OPTIK G·Filed 1983·Granted Dec 3, 1985·17 cites·12 claims
- 3964US6669337B2Progressive spectacle lens with low swaying effectsRODENSTOCK OPTIK G·Filed 2002·Granted Dec 30, 2003·14 cites·8 claims
- 4062US5990305APhotochromic diaryl-3H-naphthopyraneRODENSTOCK OPTIK G·Filed 1996·Granted Nov 23, 1999·9 cites·20 claims
- 4162US4784482AMultifocal spectacle lens with high positive focal powerRODENSTOCK OPTIK G·Filed 1986·Granted Nov 15, 1988·27 cites·12 claims
- 4261US6342459B1Photochromic naphthopyransRODENSTOCK OPTIK G·Filed 1999·Granted Jan 29, 2002·22 cites·9 claims
- 4360US4909599AMount for optical lens elementsRODENSTOCK OPTIK G·Filed 1989·Granted Mar 20, 1990·24 cites·4 claims
- 4459US6685316B2Method of manufacturing progressive ophthalmic lensesRODENSTOCK OPTIK G·Filed 2002·Granted Feb 3, 2004·10 cites·26 claims
- 4559US5210553AProgressive ophthalmic lens with positive distance powerRODENSTOCK OPTIK G·Filed 1990·Granted May 11, 1993·33 cites·10 claims
- 4659US5042936AProgressive ophthalmic lensRODENSTOCK OPTIK G·Filed 1988·Granted Aug 27, 1991·23 cites·18 claims
- 4758US5608065APhotochromatic substancesRODENSTOCK OPTIK G·Filed 1995·Granted Mar 4, 1997·6 cites·4 claims
- 4857US4312574APhototopometerRODENSTOCK OPTIK G·Filed 1979·Granted Jan 26, 1982·31 cites·16 claims
- 4955US6213603B1Progressive ophthalmic lensRODENSTOCK OPTIK G·Filed 1999·Granted Apr 10, 2001·24 cites·18 claims
- 5055US5791015AEyeglass hingeRODENSTOCK OPTIK G·Filed 1995·Granted Aug 11, 1998·30 cites·14 claims
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