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

Tien Ching Li

PTPebble Technology: 1 patents #18 of 37Top 50%
Union City, CA: #787 of 1,177 inventorsTop 70%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,011,741 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9408009 Combined microphone seal and air pressure relief valve that maintains a water tight seal Andrew James Witte, Sean E. Daley, Zinovy Dolgonosov, Steven William Johns 2016-08-02