Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David K. Liddell — 12 Patents

AMD: 12 patents #1,068 of 9,280Top 15%
Longmont, CO: #270 of 2,039 inventorsTop 15%
Colorado: #3,808 of 40,980 inventorsTop 10%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
David K. Liddell has been granted 12 US patents while listed as an inventor at AMD. The first was granted in 2013 and the most recent in June 2024. David K. Liddell ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list David K. Liddell in Longmont, CO, US.

Patents per Year

Patents granted per year, 2013 to 2024Bar chart with a peak of 4 patents in 2020.peak 42013: 1 patents20132014: 1 patents20142015: 1 patents20152017: 1 patents20172020: 4 patents20202021: 1 patents20212024: 3 patents2024

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12014072 High-throughput regular expression processing using an integrated circuit Sachin Kumawat, Jiayou Wang 2024-06-18
11983122 High-throughput regular expression processing with path priorities using an integrated circuit Sachin Kumawat 2024-05-14
11861171 High-throughput regular expression processing with capture using an integrated circuit Sachin Kumawat, Paul R. Schumacher 2024-01-02
11042564 Transaction associations in waveform displays Roger Ng, Kumar Deepak 2021-06-22 $31,440,000
10816600 Protocol analysis and visualization during simulation Paul R. Schumacher 2020-10-27 $43,200,000
10762263 Searching for values of a bus in digital waveform data Roger Ng 2020-09-01 $23,756,000
10740210 Kernel tracing for a heterogeneous computing platform and data mining Paul R. Schumacher, Kumar Deepak, Roger Ng 2020-08-11 $21,078,000
10642811 Address-based waveform database architecture Roger Ng, Hem C. Neema 2020-05-05 $31,719,000
9582619 Simulation of a circuit design block using pattern matching Feng Cai, Saikat Bandyopadhyay 2017-02-28 $12,726,000
9223910 Performance and memory efficient modeling of HDL ports for simulation Ishita Ghosh, Saikat Bandyopadhyay, Kumar Deepak, Hem C. Neema 2015-12-29 $7,580,000
8640064 Hardware description language simulator tracing and control Roger Ng 2014-01-28 $24,288,000
8516413 Compilation and simulation of a circuit design Sandeep S. Deshpande, Hem C. Neema, Valeria Mihalache, Kumar Deepak, Sonal Santan 2013-08-20 $14,041,000