Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Qixiang Sun — 5 Patents

Microsoft: 4 patents #10,758 of 40,388Top 30%
IBM: 1 patents #44,878 of 70,183Top 65%
Amarillo, TX: #32 of 400 inventorsTop 8%
Texas: #28,633 of 125,132 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Qixiang Sun has been granted 5 US patents while listed as an inventor at Microsoft. The first was granted in 2005 and the most recent in February 2010. Qixiang Sun ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Qixiang Sun in Amarillo, TX, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7669049 System and method for protecting privacy and anonymity of parties of network communications Yi-Min Wang, Daniel R. Simon, Wilfred Russell 2010-02-23 $27,908,000
7640215 System and method for evaluating and enhancing source anonymity for encrypted web traffic Yi-Min Wang, Daniel R. Simon, Wilfred Russell, Lili Qiu, Venkata N. Padmanabhan 2009-12-29 $28,457,000
7096200 System and method for evaluating and enhancing source anonymity for encrypted web traffic Yi-Min Wang, Daniel R. Simon, Wilfred Russell, Lili Qiu, Venkata N. Padmanabhan 2006-08-22 $46,616,000
6986036 System and method for protecting privacy and anonymity of parties of network communications Yi-Min Wang, Daniel R. Simon, Wilfred Russell 2006-01-10 $36,413,000
6980518 Gossip-based reliable multicast message recovery system and method Daniel Charles Sturman 2005-12-27 $5,960,000