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USPTO Patent Rankings Data through Dec 31, 2025
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Haoquan Fan — 4 Patents

COColdquanta: 4 patents #12 of 50Top 25%
Erie, CO: #153 of 421 inventorsTop 40%
Colorado: #10,815 of 40,980 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Haoquan Fan has been granted 4 US patents while listed as an inventor at Coldquanta. The first was granted in 2023 and the most recent in April 2025. Haoquan Fan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Haoquan Fan in Erie, CO, US.

Patents per Year

Patents granted per year, 2023 to 2025Bar chart with a peak of 2 patents in 2024.peak 22023: 1 patents20232024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12273149 Radio-frequency receiver pumped to high-azimuthal Rydberg states Seth Charles Caliga, Eric Magnuson Bottomley 2025-04-08
12105129 Wideband tunable rydberg microwave detector Dana Zachary Anderson, Ying-Ju Wang, Eric Magnuson Bottomley, Steven Michael Hughes 2024-10-01
11988759 Rydberg-molecule-based microwave direction finding Dana Zachary Anderson, Ying-Ju Wang, Eric Magnuson Bottomley 2024-05-21
11843420 Radio-frequency receiver pumped to high-azimuthal rydberg states Seth Charles Caliga, Eric Magnuson Bottomley 2023-12-12

Frequent Collaborators

Eric Magnuson Bottomley4 shared
Seth Charles Caliga2 shared
Dana Zachary Anderson2 shared
Ying-Ju Wang2 shared
Steven Michael Hughes1 shared

Nearby-Ranked Inventors

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