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

C Phillip Brown

DLDolby Laboratories Licensing: 2 patents #432 of 815Top 55%
DADolby International Ab: 1 patents #198 of 314Top 65%
Castro Valley, CA: #353 of 760 inventorsTop 50%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,012,936 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D764441 Speaker Brett G. Crockett, Alan J. Seefeldt 2016-08-23
8761407 Method for determining inverse filter from critically banded impulse response data Per Ekstrand, Alan J. Seefeldt 2014-06-24