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

Gilbert C. Sih

Qualcomm: 52 patents #466 of 12,104Top 4%
San Diego, CA: #581 of 23,606 inventorsTop 3%
California: #6,736 of 386,348 inventorsTop 2%
Overall (All Time): #46,268 of 4,157,543Top 2%
55 Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
5644596 Method and apparatus for frequency selective adaptive filtering 1997-07-01
5592548 System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process 1997-01-07
5559881 Network echo canceller 1996-09-24
5546459 Variable block size adaptation algorithm for noise-robust acoustic echo cancellation Franklin P. Antonio 1996-08-13
5307405 Network echo canceller 1994-04-26