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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel A. Steffen — 7 Patents in 2021

Apple: 7 patents #338 of 5,196Top 7%
San Francisco, CA: #205 of 7,035 inventorsTop 3%
California: #2,240 of 66,859 inventorsTop 4%
Overall (2021): #17,703 of 548,734Top 4%
7 Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11144631 Dynamic switching between pointer authentication regimes Bernard J. Semeria, Devon S. Andrade, Jeremy C. Andrus, Ahmed Bougacha, Peter Cooper +5 more 2021-10-12 $318,215,000
11093601 Dynamic switching between pointer authentication regimes Bernard J. Semeria, Devon S. Andrade, Jeremy C. Andrus, Ahmed Bougacha, Peter Cooper +5 more 2021-08-17 $294,809,000
11086800 Execution space agnostic device drivers Jeremy C. Andrus, Joseph R. Auricchio, Russell A. Blaine, Daniel A. Chimene, Simon Douglas +6 more 2021-08-10 $279,194,000
11048562 Multi-thread synchronization primitive Pierre Habouzit, Daniel A. Chimene, Jeremy C. Andrus, James M. Magee, Puja Gupta 2021-06-29 $366,278,000
10908954 Quality of service classes Matthew Wright, Russell A. Blaine, Daniel A. Chimene, Kevin J. Van Vechten, Thomas Brogan Duffy, Jr. 2021-02-02 $228,514,000
10901920 Turnstile API for runtime priority boosting Jainam A. Shah, Jeremy C. Andrus, Daniel A. Chimene, Kushal Dalmia, Pierre Habouzit +2 more 2021-01-26 $257,028,000
10891369 Dynamic switching between pointer authentication regimes Bernard J. Semeria, Devon S. Andrade, Jeremy C. Andrus, Ahmed Bougacha, Peter Cooper +5 more 2021-01-12 $398,981,000