Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RK

Richard Kos — 4 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%
PLPlantronics: 1 patents #228 of 433Top 55%
POPolycom: 1 patents #211 of 365Top 60%
North Riverside, IL: #14 of 50 inventorsTop 30%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Richard Kos has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1997 and the most recent in October 2022. Richard Kos ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Richard Kos in North Riverside, IL, US.

Patents per Year

Patents granted per year, 1997 to 2022Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19971998: 1 patents19982013: 1 patents20132022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11477328 PTP-based audio clock synchronization and alignment for acoustic echo cancellation in a conferencing system with IP-connected cameras, microphones and speakers Yibo Liu, Steven L. Potts, Peter L. Chu, Gary Brown, John Dietz 2022-10-18
8559611 Audio signal routing Kiril Ratmanski, Erwin Goesnar, Eric Elias, Venugopal Kalluri 2013-10-15 $15,806,000
5802045 Method of using a narrowband server to provide service features to broadband subscribers Alex Lawrence Wierzbicki, Hsien-Chuen Yu, Meyer J. Zola 1998-09-01 $28,227,000
5696761 Method and apparatus for interfacing low speed access links to a high speed time multiplexed switch fabric Robert L. Pawelski 1997-12-09 $32,775,000