Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fengfen Liu — 6 Patents

Microsoft: 6 patents #7,433 of 40,388Top 20%
Bellevue, WA: #1,768 of 6,950 inventorsTop 30%
Washington: #16,995 of 76,902 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Fengfen Liu has been granted 6 US patents while listed as an inventor at Microsoft. The first was granted in 2007 and the most recent in April 2022. Fengfen Liu ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Fengfen Liu in Bellevue, WA, US.

Patents per Year

Patents granted per year, 2007 to 2022Bar chart with a peak of 3 patents in 2020.peak 32007: 1 patents20072020: 3 patents20202021: 1 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11310241 Mirroring virtual network traffic Chandrasekar Srinivasan, Neha Aggarwal, Deven Jagasia, Karthik Ananthakrishnan, Avijit Gupta +11 more 2022-04-19 $219,974,000
10949379 Network traffic routing in distributed computing systems Sambhrama Madhusudhan Mundkur, Norman Lam, Andrew R. Putnam, Somesh Chaturmohta, Daniel Firestone +1 more 2021-03-16 $232,547,000
10789199 Network traffic rate limiting in computing systems Sambhrama Madhusudhan Mundkur, Norman Lam, Andrew R. Putnam, Somesh Chaturmohta, Daniel Firestone 2020-09-29 $190,718,000
10614028 Network traffic routing in distributed computing systems Sambhrama Madhusudhan Mundkur, Norman Lam, Andrew R. Putnam, Somesh Chaturmohta, Daniel Firestone 2020-04-07 $77,706,000
10574459 Code signing service Prabu Raju, Christopher Leonard Walstad, Levi P. Broderick, Himanshu Soni, Reed Molbak +1 more 2020-02-25 $60,478,000
7209971 Architecture and run-time environment for network filter drivers Alireza Dabagh, Aditya Dube, Arvind Murching 2007-04-24 $68,720,000