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USPTO Patent Rankings Data through Dec 31, 2025
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Ekmini Anuja De Silva — 31 Patents in 2021

IBM: 31 patents #79 of 11,638Top 1%
Slingerlands, NY: #2 of 26 inventorsTop 8%
New York: #34 of 12,766 inventorsTop 1%
Overall (2021): #764 of 548,734Top 1%
31 Patents 2021

Issued Patents 2021

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11205678 Embedded MRAM device with top via Ashim Dutta, Dominik Metzler 2021-12-21 $5,237,000
11199778 Polymer brush adhesion promoter with UV cleavable linker Jing Guo, Bharat Kumar, Jennifer Church, Dario L. Goldfarb, Nelson Felix 2021-12-14 $4,192,000
11195995 Back-end-of-line compatible processing for forming an array of pillars Chi-Chun Liu, Yann Mignot, Nelson Felix, John C. Arnold 2021-12-07 $3,115,000
11194254 Lithography process delay characterization and effective dose compensation Christopher F. Robinson, Luciana Meli, Cody J. Murray 2021-12-07 $3,115,000
11187983 EUV patterning of monolayers for selective atomic layer deposition Rudy J. Wojtecki, Noel Arellano, Noah Frederick Fine Nathel 2021-11-30 $2,996,000
11189561 Placing top vias at line ends by selective growth of via mask from line cut dielectric Ashim Dutta, Dominik Metzler, John C. Arnold 2021-11-30 $2,996,000
11177130 Patterning material film stack with metal-containing top coat for enhanced sensitivity in extreme ultraviolet (EUV) lithography Dario L. Goldfarb, Nelson Felix, Daniel A. Corliss, Rudy J. Wojtecki 2021-11-16 $1,912,000
11164772 Spacer-defined process for lithography-etch double patterning for interconnects Nelson Felix, Luciana Meli Thompson, Yann Mignot 2021-11-02 $2,126,000
11133189 Metal cut patterning and etching to minimize interlayer dielectric layer loss Kisup Chung, Andrew M. Greene, Siva Kanakasabapathy, Indira Seshadri 2021-09-28 $6,479,000
11133195 Inverse tone pillar printing method using polymer brush grafts Nelson Felix, Praveen Joseph, Ashim Dutta 2021-09-28 $6,479,000
11131919 Extreme ultraviolet (EUV) mask stack processing Yongan Xu, Zhenxing Bi, Yann Mignot, Nelson Felix 2021-09-28 $6,479,000
11121024 Tunable hardmask for overlayer metrology contrast Nelson Felix, Indira Seshadri, Stuart A. Sieg 2021-09-14 $2,674,000
11081566 Self-aligned contacts for vertical field effect transistors Su Chen Fan, Sivananda K. Kanakasabapathy 2021-08-03 $4,187,000
11075266 Vertically stacked fin semiconductor devices Praveen Joseph, Tao Li, Indira Seshadri 2021-07-27 $4,187,000
11075081 Semiconductor device with multiple threshold voltages Praveen Joseph, Indira Seshadri 2021-07-27 $4,187,000
11067896 Dynamic adjustment of post exposure bake during lithography utilizing real-time feedback for wafer exposure delay Cody J. Murray, Alex Richard Hubbard, Karen E. Petrillo, Nelson Felix 2021-07-20 $5,541,000
11062946 Self-aligned contact on a semiconductor device Ashim Dutta, Jennifer Church, Luciana Meli Thompson 2021-07-13 $4,436,000
11043628 Multi-layer bottom electrode for embedded memory devices Ashim Dutta 2021-06-22 $6,016,000
11037786 Patterning material film stack with metal-containing top coat for enhanced sensitivity in extreme ultraviolet (EUV) lithography Dario L. Goldfarb, Nelson Felix, Daniel A. Corliss, Rudy J. Wojtecki 2021-06-15 $4,393,000
11022887 Tunable adhesion of EUV photoresist on oxide surface Yongan Xu, Jing Guo, Oleg Gluschenkov 2021-06-01 $4,052,000
10998191 Graded hardmask interlayer for enhanced extreme ultraviolet performance Jennifer Church, Dario L. Goldfarb 2021-05-04 $7,263,000
10998192 Sequential infiltration synthesis extreme ultraviolet single expose patterning Jing Guo, Luciana Meli, Nelson Felix 2021-05-04 $7,263,000
10975464 Hard mask films with graded vertical concentration formed using reactive sputtering in a radio frequency deposition chamber Yongan Xu, Abraham Arceo de la Pena, Chih-Chao Yang 2021-04-13 $3,936,000
10957552 Extreme ultraviolet lithography patterning with directional deposition Yongan Xu, Su Chen Fan, Yann Mignot 2021-03-23 $2,115,000
10950440 Patterning directly on an amorphous silicon hardmask Abraham Arceo de la Pena, Nelson Felix 2021-03-16 $6,230,000