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

Christopher J. Waskiewicz — 68 Patents

IBM: 68 patents #1,109 of 70,183Top 2%
Rexford, NY: #3 of 148 inventorsTop 3%
New York: #1,137 of 115,490 inventorsTop 1%
Overall (All Time): #30,786 of 4,157,543Top 1%
68 Patents All Time
Christopher J. Waskiewicz has been granted 68 US patents while listed as an inventor at IBM. The first was granted in 1998 and the most recent in November 2025. Christopher J. Waskiewicz ranks #30,786 of 4,157,543 US inventors in our database (top 0.74%). Patent records list Christopher J. Waskiewicz in Rexford, NY, US.

Patents per Year

Patents granted per year, 1998 to 2025Bar chart with a peak of 12 patents in 2020.peak 121998: 2 patents19982001: 2 patents2002: 1 patents20022004: 1 patents2015: 3 patents20152016: 1 patents2017: 2 patents20172018: 4 patents2019: 7 patents20192020: 12 patents2021: 9 patents20212022: 8 patents2023: 5 patents20232024: 7 patents2025: 4 patents2025

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12464809 Vertical field effect transistor with minimal contact to gate erosion Su Chen Fan, Yann Mignot, Jeffrey C. Shearer, Hemanth Jagannathan 2025-11-04
12356711 Late gate extension Ruilong Xie, Jay William Strane, Hemanth Jagannathan, Brent A. Anderson 2025-07-08
12249643 Stacked planar field effect transistors with 2D material channels Andrew Gaul, Julien Frougier, Ruilong Xie, Andrew M. Greene 2025-03-11
12243770 Hard mask removal without damaging top epitaxial layer Chanro Park, Yann Mignot, Daniel J. Vincent, Su Chen Fan, Hsueh-Chung Chen 2025-03-04
12136656 Semiconductor structure having two-dimensional channel Andrew Gaul, Julien Frougier, Ruilong Xie, Andrew M. Greene, Kangguo Cheng 2024-11-05 $24,022,000
12009422 Self aligned top contact for vertical transistor Choonghyun Lee, Chanro Park, Alexander Reznicek 2024-06-11 $12,881,000
11916013 Via interconnects including super vias Yann Mignot, Eric R. Miller, Chanro Park 2024-02-27 $9,833,000
11908923 Low-resistance top contact on VTFET Su Chen Fan, Hari Prasad Amanapu, Hemanth Jagannathan 2024-02-20 $7,691,000
11901440 Sacrificial fin for self-aligned contact rail formation Yann Mignot, Su Chen Fan, Brent A. Anderson, Junli Wang 2024-02-13 $14,886,000
11876124 Vertical transistor having an oxygen-blocking layer Chen Zhang, Shahab Siddiqui, Ruilong Xie 2024-01-16 $9,068,000
11876023 Conformal film thickness determination using angled geometric features and vertices tracking Marc A. Bergendahl, Christopher J. Penny, James J. Demarest, Jean Wynne, Jonathan Fry 2024-01-16 $9,068,000
11742350 Metal gate N/P boundary control by active gate cut and recess Andrew Gaul, Chanro Park, Julien Frougier, Ruilong Xie, Andrew M. Greene 2023-08-29 $6,011,000
11742246 Local isolation of source/drain for reducing parasitic capacitance in vertical field effect transistors Ruilong Xie, Hemanth Jagannathan, Alexander Reznicek 2023-08-29 $6,011,000
11742354 Top epitaxial layer and contact for VTFET Ruilong Xie, Alexander Reznicek, Su Chen Fan, Heng Wu 2023-08-29 $6,011,000
11646373 Vertical field effect transistor with bottom spacer Ruilong Xie, Jay William Strane, Hemanth Jagannathan 2023-05-09 $3,203,000
11646358 Sacrificial fin for contact self-alignment Yann Mignot, Indira Seshadri, Su Chen Fan, Eric R. Miller 2023-05-09 $3,203,000
11495538 Fully aligned via for interconnect Ruilong Xie, Chih-Chao Yang, Lawrence A. Clevenger, Ashim Dutta 2022-11-08 $10,347,000
11476346 Vertical transistor having an oxygen-blocking top spacer Chen Zhang, Shahab Siddiqui, Ruilong Xie 2022-10-18 $6,904,000
11351811 Optically-passive magnetic signature and identification feature with electromagnetic tamper detection Michael Rizzolo, Marc A. Bergendahl, Christopher J. Penny 2022-06-07 $7,305,000
11316029 Sacrificial fin for contact self-alignment Yann Mignot, Indira Seshadri, Su Chen Fan, Eric R. Miller 2022-04-26 $5,083,000
11263059 Load leveler Jonathan Fry, Christopher J. Penny, Marc A. Bergendahl, Jean Wynne, James J. Demarest 2022-03-01 $6,542,000
11244861 Method and structure for forming fully-aligned via Ruilong Xie, Chih-Chao Yang, Huai Huang 2022-02-08 $4,353,000
11239165 Method of forming an interconnect structure with enhanced corner connection Ruilong Xie, Kangguo Cheng, Chih-Chao Yang 2022-02-01 $4,586,000
11217692 Vertical field effect transistor with bottom spacer Ruilong Xie, Jay William Strane, Hemanth Jagannathan 2022-01-04 $22,913,000
11211291 Via formation with robust hardmask removal Ruilong Xie, Kangguo Cheng, Chih-Chao Yang 2021-12-28 $7,175,000