Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Walker Duhon — 1 Patent in 2018

Microsoft: 1 patents #1,765 of 6,275Top 30%
Seattle, WA: #1,434 of 3,993 inventorsTop 40%
Washington: #4,321 of 12,409 inventorsTop 35%
Overall (2018): #198,706 of 503,207Top 40%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9898841 Synchronizing digital ink stroke rendering Xiao Tu, Jason Hartman 2018-02-20