Inventor · disambiguated record
Anil Kumar
Also filed as: KUMAR ANIL · KUMAR ANIL B
190 granted patents·40 pending applications·6,079 citations·filing 1976–2024
99Inventor score
Files withTRANSITIONS OPTICAL INC78PPG IND OHIO INC25COUNCIL SCIENT IND RES20TRANSITIONS OPTICAL LTD20MANKIND PHARMA LTD15
Top patents by PatentIndex Score
230 records- 0199US5466398APhotochromic substituted naphthopyran compoundsTRANSITIONS OPTICAL INC·Filed 1993·Granted Nov 14, 1995·260 cites·22 claims
- 0298US7256921B2Polarizing, photochromic devices and methods of making the sameTRANSITIONS OPTICAL INC·Filed 2004·Granted Aug 14, 2007·146 cites·24 claims
- 0398US6433043B1Removable imbibition composition of photochromic compound and kinetic enhancing additiveTRANSITIONS OPTICAL INC·Filed 2000·Granted Aug 13, 2002·144 cites·10 claims
- 0498US6353102B1Photochromic naphthopyransPPG IND OHIO INC·Filed 1999·Granted Mar 5, 2002·183 cites·4 claims
- 0598US6153126APhotochromic six-membered heterocyclilc-fused naphthopyransPPG IND OHIO INC·Filed 2000·Granted Nov 28, 2000·201 cites·22 claims
- 0698US6113814APolymerizable polyalkoxylated naphthopyransTRANSITIONS OPTICAL INC·Filed 1999·Granted Sep 5, 2000·379 cites·21 claims
- 0798US5723072APhotochromic heterocyclic fused indenonaphthopyransPPG INDUSTRIES INC·Filed 1997·Granted Mar 3, 1998·202 cites·23 claims
- 0898US5658501ASubstituted naphthopyransTRANSITIONS OPTICAL INC·Filed 1995·Granted Aug 19, 1997·345 cites·20 claims
- 0997US10532997B2Photochromic compoundsTRANSITIONS OPTICAL INC·Filed 2018·Granted Jan 14, 2020·19 cites·3 claims
- 1097US10501446B2Photochromic compoundsTRANSITIONS OPTICAL INC·Filed 2018·Granted Dec 10, 2019·19 cites·14 claims
- 1197US9487499B2Methods of making fused ring compoundsTRANSITIONS OPTICAL INC·Filed 2015·Granted Nov 8, 2016·18 cites·5 claims
- 1297US7349138B2Polarizing, photochromic devices and methods of making the samePPG IND OHIO INC·Filed 2006·Granted Mar 25, 2008·31 cites·5 claims
- 1397US7342112B2Photochromic compoundsPPG IND OHIO INC·Filed 2004·Granted Mar 11, 2008·76 cites·11 claims
- 1497US6348604B1Photochromic naphthopyransPPG IND OHIO INC·Filed 2000·Granted Feb 19, 2002·240 cites·23 claims
- 1597US6296785B1Indeno-fused photochromic naphthopyransPPG IND OHIO INC·Filed 2000·Granted Oct 2, 2001·349 cites·23 claims
- 1697US6022497APhotochromic six-membered heterocyclic-fused naphthopyransPPG IND OHIO INC·Filed 1999·Granted Feb 8, 2000·167 cites·22 claims
- 1797US5458814ASubstituted naphthopyransTRANSITIONS OPTICAL INC·Filed 1993·Granted Oct 17, 1995·230 cites·24 claims
- 1897US5429774ABenzopyran compoundsTRANSITIONS OPTICAL INC·Filed 1994·Granted Jul 4, 1995·240 cites·22 claims
- 1997US5411679ABenzopyransTRANSITIONS OPTICAL INC·Filed 1994·Granted May 2, 1995·121 cites·22 claims
- 2096US8698117B2Indeno-fused ring compoundsHE MENG·Filed 2011·Granted Apr 15, 2014·32 cites·6 claims
- 2196US8641933B2Composite crystal colloidal array with photochromic memberPURDY SEAN·Filed 2011·Granted Feb 4, 2014·28 cites·27 claims
- 2296US7847998B2Polarizing, photochromic devices and methods of making the sameTRANSITIONS OPTICAL INC·Filed 2006·Granted Dec 7, 2010·5 cites·26 claims
- 2396US7505189B2Polarizing, photochromic devices and methods of making the sameTRANSITIONS OPTICAL INC·Filed 2006·Granted Mar 17, 2009·15 cites·30 claims
- 2496US7097303B2Polarizing devices and methods of making the samePPG IND OHIO INC·Filed 2004·Granted Aug 29, 2006·62 cites·96 claims
- 2596US6736998B2Indeno-fused photochromic naphthopyransTRANSITIONS OPTICAL INC·Filed 2001·Granted May 18, 2004·52 cites·21 claims
- 2696US6149841APhotochromic benzopyrano-fused naphthopyransPPG IND OHIO INC·Filed 1999·Granted Nov 21, 2000·79 cites·23 claims
- 2796US6080338AWater soluble photochromic compounds, compositions and optical elements comprising the compoundsTRANSITIONS OPTICAL INC·Filed 1999·Granted Jun 27, 2000·97 cites·18 claims
- 2896US5698141APhotochromic heterocyclic fused indenonaphthopyransPPG INDUSTRIES INC·Filed 1997·Granted Dec 16, 1997·225 cites·22 claims
- 2996US5651923ASubstituted naphthopyransTRANSITIONS OPTICAL INC·Filed 1995·Granted Jul 29, 1997·105 cites·21 claims
- 3095US10457886B2Catalytic depolymerisation of polymeric materialsGREENMANTRA RECYCLING TECH LTD·Filed 2018·Granted Oct 29, 2019·11 cites·17 claims
- 3195US10000715B2Catalytic depolymerisation of polymeric materialsGREENMANTRA RECYCLING TECH LTD·Filed 2013·Granted Jun 19, 2018·22 cites·23 claims
- 3295US8664458B2Method for producing waxes and grease base stocks through catalytic depolymerisation of waste plasticsKUMAR ANIL·Filed 2010·Granted Mar 4, 2014·28 cites·23 claims
- 3395US8628685B2Mesogen-containing compoundsHE MENG·Filed 2011·Granted Jan 14, 2014·22 cites·22 claims
- 3495US8349210B2Mesogenic stabilizersTRANSITIONS OPTICAL INC·Filed 2011·Granted Jan 8, 2013·50 cites·21 claims
- 3595US7560056B2Photochromic contact lenses and methods of manufacturingTRANSITION OPTICAL INC·Filed 2008·Granted Jul 14, 2009·46 cites·2 claims
- 3695US7557208B2Naphthols useful for preparing indeno-fused photochromic naphthopyransTRANSITIONS OPTICAL INC·Filed 2008·Granted Jul 7, 2009·21 cites·3 claims
- 3795US7394585B2Polarizing, photochromic devices and methods of making the samePPG IND OHIO INC·Filed 2006·Granted Jul 1, 2008·10 cites·8 claims
- 3895US7262295B2Indeno-fused photochromic naphthopyrans, naphthols and photochromic articlesTRANSITIONS OPTICAL INC·Filed 2003·Granted Aug 28, 2007·55 cites·32 claims
- 3995US7044599B2Polarizing devices and methods of making the samePPG IND OHIO INC·Filed 2005·Granted May 16, 2006·18 cites·20 claims
- 4095US6022495APhotochromic benzopyrano-fused naphthopyransTRANSITIONS OPTICAL INC·Filed 1998·Granted Feb 8, 2000·57 cites·22 claims
- 4194US9029532B25,6-ring-substituted naphthopyran compoundsTRANSITIONS OPTICAL INC·Filed 2013·Granted May 12, 2015·19 cites·11 claims
- 4294US7429105B2Polarizing, photochromic devices and methods of making the samePPG IND OHIO INC·Filed 2006·Granted Sep 30, 2008·8 cites·5 claims
- 4394US5578252APhotochromic substituted naphthopyran compoundsTRANSITIONS OPTICAL INC·Filed 1995·Granted Nov 26, 1996·76 cites·20 claims
- 4493US9334439B2Photochromic articles that include photochromic-dichroic materialsTRANSITIONS OPTICAL INC·Filed 2013·Granted May 10, 2016·18 cites·30 claims
- 4593US8211338B2Photochromic compoundsHE MENG·Filed 2008·Granted Jul 3, 2012·21 cites·17 claims
- 4693US8089678B2Clear to circular polarizing photochromic devices and methods of making the sameKUMAR ANIL·Filed 2008·Granted Jan 3, 2012·16 cites·22 claims
- 4793US8077373B2Clear to circular polarizing photochromic devicesKUMAR ANIL·Filed 2010·Granted Dec 13, 2011·10 cites·17 claims
- 4893US7910019B2Mesogen containing compoundsTRANSITIONS OPTICAL INC·Filed 2009·Granted Mar 22, 2011·33 cites·22 claims
- 4993US7560124B2Photochromic compoundsTRANSITIONS OPTICAL INC·Filed 2007·Granted Jul 14, 2009·9 cites·6 claims
- 5093US7557206B2Photochromic compoundsTRANSITIONS OPTICAL INC·Filed 2007·Granted Jul 7, 2009·9 cites·3 claims
Showing the top 50 of 230 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →