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 26–50 of 78 patents

Patent #TitleCo-InventorsDate
11192101 Method to create multilayer microfluidic chips using spin-on carbon as gap filling materials Chi-Chun Liu, Yann Mignot, Joshua T. Smith, Bassem M. Hamieh, Robert L. Bruce 2021-12-07
11177130 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 2021-11-16
11171002 Alternating hardmasks for tight-pitch line formation John C. Arnold, Anuja E. DeSilva, Chi-Chun Liu, Yann Mignot, Stuart A. Sieg 2021-11-09
11164772 Spacer-defined process for lithography-etch double patterning for interconnects Ekmini Anuja De Silva, Luciana Meli Thompson, Yann Mignot 2021-11-02
11131919 Extreme ultraviolet (EUV) mask stack processing Yongan Xu, Zhenxing Bi, Yann Mignot, Ekmini Anuja De Silva 2021-09-28
11133260 Self-aligned top via Chi-Chun Liu, John C. Arnold, Dominik Metzler, Ashim Dutta 2021-09-28
11133195 Inverse tone pillar printing method using polymer brush grafts Ekmini Anuja De Silva, Praveen Joseph, Ashim Dutta 2021-09-28
11121024 Tunable hardmask for overlayer metrology contrast Ekmini Anuja De Silva, Indira Seshadri, Stuart A. Sieg 2021-09-14
11084032 Method to create multilayer microfluidic chips using spin-on carbon as gap fill and spin-on glass tone inversion Chi-Chun Liu, Yann Mignot, Joshua T. Smith, Bassem M. Hamieh, Robert L. Bruce 2021-08-10
11067896 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 2021-07-20
11054250 Multi-channel overlay metrology Gangadhara Raja Muthinti, Chiew-Seng Koay, Siva Kanakasabapathy 2021-07-06
11037786 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 2021-06-15
11031248 Alternating hardmasks for tight-pitch line formation Sean D. Burns, Chi-Chun Liu, Yann Mignot, Stuart A. Sieg 2021-06-08
11018007 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 2021-05-25
10998192 Sequential infiltration synthesis extreme ultraviolet single expose patterning Ekmini Anuja De Silva, Jing Guo, Luciana Meli 2021-05-04
10950440 Patterning directly on an amorphous silicon hardmask Abraham Arceo de la Pena, Ekmini Anuja De Silva 2021-03-16
10831102 Photoactive polymer brush materials and EUV patterning using the same Ekmini Anuja De Silva, Rudy J. Wojtecki, Dario L. Goldfarb, Daniel P. Sanders 2020-11-10
10768532 Co-optimization of lithographic and etching processes with complementary post exposure bake by laser annealing Jing Sha, Ekmini Anuja De Silva, Derren N. Dunn 2020-09-08
10755928 Fabricating electrically nonconductive blocks using a polymer brush and a sequential infiltration synthesis process Chi-Chun Liu, Kristin Schmidt, Yann Mignot, Martha I. Sanchez, Daniel P. Sanders +1 more 2020-08-25
10755926 Patterning directly on an amorphous silicon hardmask Abraham Arceo de la Pena, Ekmini Anuja De Silva 2020-08-25
10748823 Embedded etch rate reference layer for enhanced etch time precision Yann Mignot, Alan C. Thomas, Daniel P. Sanders, Dario L. Goldfarb, Chi-Chun Liu +1 more 2020-08-18
10741454 Boundary protection for CMOS multi-threshold voltage devices Jing Guo, Ekmini Anuja De Silva, Nicolas Loubet, Indira Seshadri 2020-08-11
10727055 Method to increase the lithographic process window of extreme ultra violet negative tone development resists Martin Glodde, Dario L. Goldfarb 2020-07-28
10656527 Patterning material film stack with hard mask layer configured to support selective deposition on patterned resist layer Ekmini Anuja De Silva, Indira Seshadri, Jing Guo, Ashim Dutta 2020-05-19
10658521 Enabling residue free gap fill between nanosheets Indira Seshadri, Ekmini Anuja De Silva, Jing Guo, Ruqiang Bao, Muthumanickam Sankarapandian 2020-05-19