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USPTO Patent Rankings Data through Dec 31, 2025
Home › Quester Technology › Ashraf Khan
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Ashraf Khan — 4 Patents

QTQuester Technology: 2 patents #4 of 16Top 25%
ALApollo Precision Kunming Yuanhong Limited: 1 patents #3 of 22Top 15%
BCBeijing Apollo Ding Rong Solar Technology Co.: 1 patents #35 of 51Top 70%
San Francisco, CA: #9,676 of 26,999 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ashraf Khan has been granted 4 US patents while listed as an inventor at Quester Technology. The first was granted in 2000 and the most recent in May 2016. Ashraf Khan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ashraf Khan in San Francisco, CA, US.

Patents per Year

Patents granted per year, 2000 to 2016Bar chart with a peak of 2 patents in 2000.peak 22000: 2 patents20002015: 1 patents20152016: 1 patents2016

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9350288 Photovoltaic module support clamp assembly Kedar Hardikar, Roger Balyon 2016-05-24
9074796 Photovoltaic module support clamp assembly Kedar Hardikar, Roger Balyon 2015-07-07
6049086 Large area silent discharge excitation radiator Giovanni Antonio Foggiato, Leonid Velikov, Ralph F. Manriquez 2000-04-11
6015759 Surface modification of semiconductors using electromagnetic radiation Sasangan Ramanathan, Giovanni Antonio Foggiato 2000-01-18

Frequent Collaborators

Kedar Hardikar2 shared
Roger Balyon2 shared
Giovanni Antonio Foggiato2 shared
Sasangan Ramanathan1 shared
Leonid Velikov1 shared
Ralph F. Manriquez1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4