P

Inventor

KUMAR ANIL

US356 patents
⚠️ This page may combine multiple inventors who share the name “KUMAR ANIL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TRANSITIONS OPTICAL INC

23 patents
US7256921B2Aug 14, 2007

Polarizing, photochromic devices and methods of making the same

TRANSITIONS OPTICAL INC146 citations99
US6433043B1Aug 13, 2002

Removable imbibition composition of photochromic compound and kinetic enhancing additive

TRANSITIONS OPTICAL INC144 citations99
US6113814ASep 5, 2000

Polymerizable polyalkoxylated naphthopyrans

TRANSITIONS OPTICAL INC379 citations99
US5658501AAug 19, 1997

Substituted naphthopyrans

TRANSITIONS OPTICAL INC345 citations99
US5466398ANov 14, 1995

Photochromic substituted naphthopyran compounds

TRANSITIONS OPTICAL INC260 citations99
US5458814AOct 17, 1995

Substituted naphthopyrans

TRANSITIONS OPTICAL INC230 citations99
US5429774AJul 4, 1995

Benzopyran compounds

TRANSITIONS OPTICAL INC240 citations99
US6080338AJun 27, 2000

Water soluble photochromic compounds, compositions and optical elements comprising the compounds

TRANSITIONS OPTICAL INC97 citations98
US5651923AJul 29, 1997

Substituted naphthopyrans

TRANSITIONS OPTICAL INC105 citations98
US5411679AMay 2, 1995

Benzopyrans

TRANSITIONS OPTICAL INC121 citations98
US7632540B2Dec 15, 2009

Alignment facilities for optical dyes

TRANSITIONS OPTICAL INC31 citations96
US6022495AFeb 8, 2000

Photochromic benzopyrano-fused naphthopyrans

TRANSITIONS OPTICAL INC57 citations96
US5658500AAug 19, 1997

Substituted naphthopyrans

TRANSITIONS OPTICAL INC60 citations96
US5650098AJul 22, 1997

Substituted naphthopyrans

TRANSITIONS OPTICAL INC73 citations96
US5637262AJun 10, 1997

Photochromic substituted naphthopyran compounds

TRANSITIONS OPTICAL INC52 citations96
US5578252ANov 26, 1996

Photochromic substituted naphthopyran compounds

TRANSITIONS OPTICAL INC76 citations96
US7262295B2Aug 28, 2007

Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles

TRANSITIONS OPTICAL INC55 citations95
US5573712ANov 12, 1996

Substituted naphthopyrans

TRANSITIONS OPTICAL INC70 citations95
US10532997B2Jan 14, 2020

Photochromic compounds

TRANSITIONS OPTICAL INC19 citations94
US10501446B2Dec 10, 2019

Photochromic compounds

TRANSITIONS OPTICAL INC19 citations94
US9487499B2Nov 8, 2016

Methods of making fused ring compounds

TRANSITIONS OPTICAL INC18 citations93
US8349210B2Jan 8, 2013

Mesogenic stabilizers

TRANSITIONS OPTICAL INC50 citations93
US5744070AApr 28, 1998

Photochromic substituted naphthopyran compounds

TRANSITIONS OPTICAL INC38 citations93

PPG IND OHIO INC

11 patents
US6353102B1Mar 5, 2002

Photochromic naphthopyrans

PPG IND OHIO INC183 citations99
US6153126ANov 28, 2000

Photochromic six-membered heterocyclilc-fused naphthopyrans

PPG IND OHIO INC201 citations99
US6022497AFeb 8, 2000

Photochromic six-membered heterocyclic-fused naphthopyrans

PPG IND OHIO INC167 citations99
US7342112B2Mar 11, 2008

Photochromic compounds

PPG IND OHIO INC76 citations98
US6348604B1Feb 19, 2002

Photochromic naphthopyrans

PPG IND OHIO INC240 citations98
US6296785B1Oct 2, 2001

Indeno-fused photochromic naphthopyrans

PPG IND OHIO INC349 citations97
US7349138B2Mar 25, 2008

Polarizing, photochromic devices and methods of making the same

PPG IND OHIO INC31 citations96
US7097303B2Aug 29, 2006

Polarizing devices and methods of making the same

PPG IND OHIO INC62 citations96
US6149841ANov 21, 2000

Photochromic benzopyrano-fused naphthopyrans

PPG IND OHIO INC79 citations96
US7320826B2Jan 22, 2008

Photochromic articles with reduced temperature dependency and methods for preparation

PPG IND OHIO INC65 citations95
US7044599B2May 16, 2006

Polarizing devices and methods of making the same

PPG IND OHIO INC18 citations93

PPG INDUSTRIES INC

6 patents
US5723072AMar 3, 1998

Photochromic heterocyclic fused indenonaphthopyrans

PPG INDUSTRIES INC202 citations99
US5698141ADec 16, 1997

Photochromic heterocyclic fused indenonaphthopyrans

PPG INDUSTRIES INC225 citations99
US5552091ASep 3, 1996

Benzopyran compounds

PPG INDUSTRIES INC75 citations96
US5891368AApr 6, 1999

Fluoranthenopyrans

PPG INDUSTRIES INC42 citations93
US5879592AMar 9, 1999

Water soluble photochromic compounds, compositions and optical elements comprising the compounds

PPG INDUSTRIES INC34 citations93
US5808063ASep 15, 1998

Photochromic spiro(indoline) fluoranthenoxazine compounds

PPG INDUSTRIES INC34 citations93

IGNIS INNOVATION INC

3 patents
US7569849B2Aug 4, 2009

Pixel driver circuit and pixel circuit having the pixel driver circuit

IGNIS INNOVATION INC225 citations98
US7414600B2Aug 19, 2008

Pixel current driver for organic light emitting diode displays

IGNIS INNOVATION INC253 citations98
US8890220B2Nov 18, 2014

Pixel driver circuit and pixel circuit having control circuit coupled to supply voltage

IGNIS INNOVATION INC20 citations92

HE MENG

1 patent
US8698117B2Apr 15, 2014

Indeno-fused ring compounds

HE MENG32 citations94

TRANSITION OPTICAL INC

1 patent
US7560056B2Jul 14, 2009

Photochromic contact lenses and methods of manufacturing

TRANSITION OPTICAL INC46 citations94

BAKER HUGHES INC

1 patent
US5281260AJan 25, 1994

High-strength tungsten carbide material for use in earth-boring bits

BAKER HUGHES INC133 citations93

AMAZON TECH INC

1 patent
US10778539B1Sep 15, 2020

Resolving configuration drift for computing resource stacks

AMAZON TECH INC25 citations92

GREENMANTRA RECYCLING TECH LTD

1 patent
US10000715B2Jun 19, 2018

Catalytic depolymerisation of polymeric materials

GREENMANTRA RECYCLING TECH LTD22 citations92

VMWARE INC

1 patent
US9766945B2Sep 19, 2017

Virtual resource scheduling for containers with migration

VMWARE INC33 citations92

KUMAR ANIL

1 patent
US8926091B2Jan 6, 2015

Optical elements with alignment facilities for optical dyes

KUMAR ANIL17 citations92

Showing the top 50 of 356 patents by PatentIndex Score.