Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RC

Roger Clarke — 20 Patents

PIPixeloptics: 7 patents #5 of 28Top 20%
ALAdlens Limited: 6 patents #6 of 34Top 20%
MCMitsui Chemicals: 2 patents #873 of 2,279Top 40%
TPTechnology Partnership Plc: 2 patents #29 of 71Top 45%
CLCoopervision International Limited: 1 patents #138 of 201Top 70%
Novartis Ag: 1 patents #2,882 of 5,128Top 60%
Cambridge, GB: #198 of 4,587 inventorsTop 5%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Roger Clarke has been granted 20 US patents while listed as an inventor at Pixeloptics. The first was granted in 2010 and the most recent in June 2024. Roger Clarke ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Roger Clarke in Cambridge, GB.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12001119 Flexible liquid crystal-containing lenses Robert Oag, Mikhail BASHTANOV 2024-06-04
10823981 Deformable non-round membrane assemblies Robert Edward Stevens, Alex Edginton, Benjamin Thomas Tristram Holland, Daniel Paul Rhodes, Dijon Pietropinto +4 more 2020-11-03
10036836 Eyewear Robert Edward Stevens, Alex Edginton, Julian Brandon-Jones 2018-07-31
9874664 Actuation of fluid-filled lenses Robert Edward Stevens, Alex Edginton, Julian Brandon-Jones 2018-01-23
9851562 Embedded grating structure 2017-12-26
9810923 Deformable membrane assemblies Robert Edward Stevens, Alex Edginton, Benjamin Thomas Tristram Holland, Daniel Paul Rhodes, Dijon Pietropinto +4 more 2017-11-07
9791720 Deformable non-round membrane assemblies Robert Edward Stevens, Alex Edginton, Benjamin Thomas Tristram Holland, Daniel Paul Rhodes, Dijon Pietropinto +4 more 2017-10-17
9709824 Deformable non-round membrane assemblies Robert Edward Stevens, Alex Edginton, Benjamin Thomas Tristram Holland, Daniel Paul Rhodes, Dijon Pietropinto +4 more 2017-07-18
9618773 Ophthalmic lenses with oxygen-generating elements therein 2017-04-11 $34,907,000
9411172 Multifocal lens with a diffractive optical power region Joshua N. Haddock, William Kokonaski, Mark Mattison-Shupnick, Ronald D. Blum 2016-08-09
9304372 Optical element with sub elements and an addressable mask 2016-04-05
9146407 Fail-safe electro-active lenses and methodology for choosing optical materials for fail-safe electro-active lenses Joshua N. Haddock 2015-09-29
8830408 Electro-active diffractive lens and method for making the same Joshua N. Haddock, William Kokonaski, Philip Rawlins, Peter Lee Crossley, James John 2014-09-09
8662665 Refractive-diffractive multifocal lens Venkatramani S. Iyer, William Kokonaski, Joshua N. Haddock, Ronald D. Blum 2014-03-04
8523354 Electro-active diffractive lens and method for making the same Joshua N. Haddock, William Kokonaski, Philip Rawlins, Peter Lee Crossley, James John 2013-09-03
8319937 Alignment of liquid crystalline materials to surface relief diffractive structures Joshua N. Haddock, William Kokonaski 2012-11-27
8317321 Multifocal lens with a diffractive optical power region Joshua N. Haddock, William Kokonaski, Mark Mattison-Shupnick, Ronald D. Blum 2012-11-27
8197063 Refractive-diffractive multifocal lens Venkatramani S. Iyer, William Kokonaski, Joshua N. Haddock, Ronald D. Blum 2012-06-12
7883207 Refractive-diffractive multifocal lens Venkatramani S. Iyer, William Kokonaski, Joshua N. Haddock, Ronald D. Blum 2011-02-08
7728949 Electro-active lens Allan Carmichael, Joshua N. Haddock, William Kokonaski 2010-06-01