Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Stephen H. Shum — 1 Patent

Apple: 1 patents #12,251 of 18,612Top 70%
Walnut Creek, CA: #806 of 1,300 inventorsTop 65%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #2,675,299 of 4,157,543Top 65%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11423898 Voice identification in digital assistant systems Corey J. PETERSON, Sachin Kajarekar, Benjamin S. Phipps, Erik Marchi, Jessica PECK +2 more 2022-08-23