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USPTO Patent Rankings Data through Dec 31, 2025
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David Guan — 3 Patents

MIMicrochip Technology Incorporated: 2 patents #307 of 958Top 35%
SESafran Aircraft Engines: 1 patents #914 of 1,821Top 55%
Belmont, MA: #536 of 1,163 inventorsTop 50%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Guan has been granted 3 US patents while listed as an inventor at Microchip Technology Incorporated. The first was granted in 2020 and the most recent in July 2025. David Guan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Guan in Belmont, MA, US.

Patents per Year

Patents granted per year, 2020 to 2025Bar chart with a peak of 1 patents in 2020.peak 12020: 1 patents20202021: 1 patents20212025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12349240 Ovens for atomic clocks and related methods and atomic clocks Lichung Ha, Jay Noble, Armando T. Martins 2025-07-01
11166342 Ovens for atomic clocks and related methods Lichung Ha, Jay Noble, Armando T. Martins 2021-11-02 $163,685,000
10683101 Method for determining at least one faulty piece of equipment of an aircraft, and corresponding system Pierre Louis-Marie Emmanuel Guibert 2020-06-16

Frequent Collaborators

Jay Noble2 shared
Lichung Ha2 shared
Armando T. Martins2 shared
Pierre Louis-Marie Emmanuel Guibert1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3