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

Stephen Walker — 5 Patents

PTPhyre Technologies: 3 patents #5 of 5Top 100%
Microsoft: 2 patents #17,644 of 40,388Top 45%
San Diego, CA: #7,328 of 23,606 inventorsTop 35%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Stephen Walker has been granted 5 US patents while listed as an inventor at Phyre Technologies. The first was granted in 2009 and the most recent in December 2021. Stephen Walker ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Stephen Walker in San Diego, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11199161 Catalytic reactive component reduction system and methods for the use thereof Santosh Y. Limaye, Wesley Jung, Stuart Robertson 2021-12-14
10914272 Catalytic reactive component reduction system and methods for the use thereof Santosh Y. Limaye, Wesley Jung, Stuart Robertson 2021-02-09
10155180 Contacting systems and methods and uses thereof Donald H. Koenig, Wesley Jung, Santosh Y. Limaye, Stuart Robertson 2018-12-18
8095559 Fast adaptive document filtering Stephen Robertson, Justin Zobel 2012-01-10 $16,234,000
7516146 Fast adaptive document filtering Stephen Robertson, Justin Zobel 2009-04-07 $26,157,000