Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
NF

Nelson Felix

IBM: 69 patents #1,072 of 70,183Top 2%
TETessera: 7 patents #62 of 271Top 25%
ASAdeia Semiconductor Solutions: 1 patents #22 of 57Top 40%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Lam Research: 1 patents #1,364 of 2,128Top 65%
Briarcliff Manor, NY: #7 of 223 inventorsTop 4%
New York: #891 of 115,490 inventorsTop 1%
Overall (All Time): #23,600 of 4,157,543Top 1%
78 Patents All Time

Issued Patents All Time

Showing 51–75 of 78 patents

Patent #TitleCo-InventorsDate
10622248 Tunable hardmask for overlayer metrology contrast Ekmini Anuja De Silva, Indira Seshadri, Stuart A. Sieg 2020-04-14
10586697 Wet strippable OPL using reversible UV crosslinking and de-crosslinking Ekmini Anuja De Silva, Jing Guo, Indira Seshadri 2020-03-10
10580652 Alternating hardmasks for tight-pitch line formation John C. Arnold, Anuja E. DeSilva, Chi-Chun Liu, Yann Mignot, Stuart A. Sieg 2020-03-03
10578981 Post-lithography defect inspection using an e-beam inspection tool Luciana Meli Thompson, Ekmini Anuja De Silva, Yasir Sulehria 2020-03-03
10545409 Dynamic adjustment of post exposure bake during lithography utilizing real-time feedback for wafer exposure delay Cody J. Murray, Ekmini Anuja De Silva, Alex Richard Hubbard, Karen E. Petrillo 2020-01-28
10529569 Self aligned pattern formation post spacer etchback in tight pitch configurations Sean D. Burns, Lawrence A. Clevenger, Matthew E. Colburn, Sivananda K. Kanakasabapathy, Christopher J. Penny +2 more 2020-01-07
10437951 Care area generation by detection optimized methodology Ravi K. Bonam, Scott D. Halle, Luciana Meli 2019-10-08
10410875 Alternating hardmasks for tight-pitch line formation Sean D. Burns, Chi-Chun Liu, Yann Mignot, Stuart A. Sieg 2019-09-10
10388521 Method to increase the lithographic process window of extreme ultra violet negative tone development resists Martin Glodde, Dario L. Goldfarb 2019-08-20
10388510 Wet strippable OPL using reversible UV crosslinking and de-crosslinking Ekmini Anuja De Silva, Jing Guo, Indira Seshadri 2019-08-20
10354922 Simplified block patterning with wet strippable hardmask for high-energy implantation Ekmini Anuja De Silva, Indira Seshadri, Romain Lallement 2019-07-16
10347486 Patterning material film stack with metal-containing top coat for enhanced sensitivity in extreme ultraviolet (EUV) lithography Ekmini Anuja De Silva, Dario L. Goldfarb, Daniel A. Corliss, Rudy J. Wojtecki 2019-07-09
10312103 Alternating hardmasks for tight-pitch line formation Sean D. Burns, Chi-Chun Liu, Yann Mignot, Stuart A. Sieg 2019-06-04
10249512 Tunable TiOxNy hardmask for multilayer patterning Abraham Arceo de la Pena, Ekmini Anuja De Silva, Sivananda K. Kanakasabapathy 2019-04-02
10121661 Self aligned pattern formation post spacer etchback in tight pitch configurations Sean D. Burns, Lawrence A. Clevenger, Matthew E. Colburn, Sivananda K. Kanakasabapathy, Christopher J. Penny +2 more 2018-11-06
10103022 Alternating hardmasks for tight-pitch line formation John C. Arnold, Anuja E. DeSilva, Chi-Chun Liu, Yann Mignot, Stuart A. Sieg 2018-10-16
10056290 Self-aligned pattern formation for a semiconductor device Sean D. Burns, Lawrence A. Clevenger, Sivananda K. Kanakasabapathy, Christopher J. Penny, Nicole Saulnier 2018-08-21
9941142 Tunable TiOxNy hardmask for multilayer patterning Abraham Arceo de la Pena, Ekmini Anuja De Silva, Sivananda K. Kanakasabapathy 2018-04-10
9934970 Self aligned pattern formation post spacer etchback in tight pitch configurations Sean D. Burns, Lawrence A. Clevenger, Matthew E. Colburn, Sivananda K. Kanakasabapathy, Christopher J. Penny +2 more 2018-04-03
9911647 Self aligned conductive lines Sean D. Burns, Lawrence A. Clevenger, Anuja E. DeSilva, Sivananda K. Kanakasabapathy, Yann Mignot +3 more 2018-03-06
9799534 Application of titanium-oxide as a patterning hardmask Abraham Arceo de la Pena, Ekmini Anuja De Silva, Sivananda K. Kanakasabapathy, Indira Seshadri 2017-10-24
9786554 Self aligned conductive lines Sean D. Burns, Lawrence A. Clevenger, Anuja E. DeSilva, Sivananda K. Kanakasabapathy, Yann Mignot +3 more 2017-10-10
9779944 Method and structure for cut material selection Sean D. Burns, Lawrence A. Clevenger, Matthew E. Colburn, Sivananda K. Kanakasabapathy, Yann Mignot +3 more 2017-10-03
9257351 Metrology marks for bidirectional grating superposition patterning processes Christopher P. Ausschnitt, Scott Halle 2016-02-09
9059102 Metrology marks for unidirectional grating superposition patterning processes Christopher P. Ausschnitt, Scott D. Halle 2015-06-16