Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stefan Richards — 3 Patents

Microsoft: 3 patents #13,486 of 40,388Top 35%
Sammamish, WA: #1,218 of 2,558 inventorsTop 50%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Stefan Richards has been granted 3 US patents while listed as an inventor at Microsoft. The first was granted in 2009 and the most recent in October 2010. Stefan Richards ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Stefan Richards in Sammamish, WA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7810143 Credential interface David M. Ruzyski, James H. Hong, Brian K. McNeil, Chris Guzak, Brian D. Wentz +7 more 2010-10-05 $18,486,000
7783891 System and method facilitating secure credential management Eric C. Perlin, Klaus Schutz, Sermet Iskin 2010-08-24 $15,140,000
7577659 Interoperable credential gathering and access modularity Klaus Schutz, Eric C. Perlin, Cristian M. Ilac, Sterling Reasor, Eric Flo +2 more 2009-08-18 $21,161,000