Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Derek R. Kumar — 21 Patents

Apple: 21 patents #1,550 of 18,612Top 9%
Cupertino, CA: #794 of 6,989 inventorsTop 15%
California: #27,449 of 386,348 inventorsTop 8%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Derek R. Kumar has been granted 21 US patents while listed as an inventor at Apple. The first was granted in 2015 and the most recent in March 2025. Derek R. Kumar ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Derek R. Kumar in Cupertino, CA, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12253913 Memory error tracking and logging Farid Nemati, Steven R. Hutsell, Bernard J. Semeria, James Vash, Era K. Nangia +1 more 2025-03-18
11934265 Memory error tracking and logging Farid Nemati, Steven R. Hutsell, Bernard J. Semeria, James Vash, Era K. Nangia +1 more 2024-03-19 $131,219,000
11768690 Coprocessor context priority Aditya Kesiraju, Andrew J. Beaumont-Smith, Brian P. Lilly, James Vash, Jason M. Kassoff +4 more 2023-09-26 $265,224,000
11399344 System and method for SoC idle power state control based on I/O operation characterization 2022-07-26 $351,586,000
11360812 Operating system apparatus for micro-architectural state isolation 2022-06-14 $183,231,000
11336294 Hybrid, adaptive virtual memory compression Thomas Brogan Duffy, Jr. 2022-05-17 $199,476,000
11210104 Coprocessor context priority Aditya Kesiraju, Andrew J. Beaumont-Smith, Brian P. Lilly, James Vash, Jason M. Kassoff +4 more 2021-12-28 $336,423,000
11113113 Systems and methods for scheduling virtual memory compressors Thomas Brogan Duffy, Jr. 2021-09-07 $276,522,000
11054873 Thermally adaptive quality-of-service 2021-07-06 $305,052,000
10649935 Deferred inter-processor interrupts Joshua P. de Cesare 2020-05-12 $117,896,000
10203746 Thermal mitigation using selective task modulation 2019-02-12 $93,643,000
10204058 GPU shared virtual memory working set management 2019-02-12 $93,643,000
10152438 Deferred inter-processor interrupts Joshua P. de Cesare 2018-12-11 $115,928,000
10095286 Thermally adaptive quality-of-service 2018-10-09 $111,660,000
9904575 System and method for selective timer rate limiting 2018-02-27 $145,349,000
9563571 Intelligent GPU memory pre-fetching and GPU translation lookaside buffer management 2017-02-07 $94,786,000
9542230 System and method for selective timer coalescing 2017-01-10 $61,338,000
9530174 Selective GPU throttling Umesh S. Vaishampayan, Cecile M. Foret, Anthony G. Sumpter, Harshavardhan P. Gopalakrishnan, William E. Damon, III 2016-12-27 $55,003,000
9507726 GPU shared virtual memory working set management 2016-11-29 $57,183,000
9436628 Thermal mitigation using selective I/O throttling Umesh S. Vaishampayan, Christopher J. Sarcone, Russell A. Blaine, Tejas Bahulkar, Shachar Katz +2 more 2016-09-06 $77,599,000
9208113 Deferred inter-processor interrupts Joshua P. de Cesare 2015-12-08 $55,372,000