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

Stephen Co — 5 Patents

OSOpenwave Systems: 4 patents #16 of 136Top 15%
AMD: 1 patents #7,967 of 9,280Top 90%
San Ramon, CA: #751 of 2,140 inventorsTop 40%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Stephen Co has been granted 5 US patents while listed as an inventor at Openwave Systems. The first was granted in 2001 and the most recent in September 2014. Stephen Co ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Stephen Co in San Ramon, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8832331 Data modification for device communication channel packets 2014-09-09
7286990 Universal interface for voice activated access to multiple information providers Paul Edmonds, Yi Zhang, George Sollman, Michael P. Tel, Chang Xu +3 more 2007-10-23 $3,636,000
6412079 Server pool for clustered system Paul Edmonds, Yi Zhang, Chang Xu, Priyen Doshi, Michael P. Tel +1 more 2002-06-25 $21,690,000
6397345 Fault tolerant bus for clustered system Paul Edmonds, Yi Zhang, Chang Xu, Priyen Doshi, Michael P. Tel +1 more 2002-05-28 $27,247,000
6230190 Shared-everything file storage for clustered system Paul Edmonds, Yi Zhang, Chang Xu, Priyen Doshi, Michael P. Tel +1 more 2001-05-08 $192,574,000