Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EF

Evan Fletcher — 3 Patents in 2021

VAValve: 2 patents #20 of 68Top 30%
OCOccipital: 1 patents #4 of 9Top 45%
Bellevue, WA: #155 of 1,412 inventorsTop 15%
Washington: #1,376 of 13,672 inventorsTop 15%
Overall (2021): #83,825 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11209657 Position tracking system for head-mounted display systems that includes angle sensitive detectors Joshua Mark Hudman, Alan Yates, Gordon Wayne Stoll 2021-12-28
11073906 Eye tracking system for head-mounted display devices Joshua Mark Hudman, Alan Yates, Gordon Wayne Stoll 2021-07-27
10970929 Boundary detection using vision-based feature mapping Jeffrey Roger Powers, Andrew S. Zimmer 2021-04-06