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

William Johnsen

EPEcho Pixel: 3 patents #3 of 6Top 50%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Sunnyvale, CA: #4,767 of 14,302 inventorsTop 35%
California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #975,033 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10755378 Multi-point annotation using a haptic plane Sergio Aguirre-Valencia, Anthony Chen 2020-08-25
10755379 Multi-point annotation using a haptic plane Sergio Aguirre-Valencia, Anthony Chen 2020-08-25
10078885 Image annotation using a haptic plane Sergio Aguirre-Valencia, Anthony Chen 2018-09-18
9384528 Image annotation using a haptic plane Sergio Aguirre-Valencia, Anthony Chen 2016-07-05
5307292 Method of quantifying the topographic structure of a surface Christopher A. Brown, Patrick Charles 1994-04-26