Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Tournatory — 4 Patents

QUQuantance: 2 patents #7 of 10Top 70%
S(Silergy Semiconductor Technology (Hangzhou): 1 patents #126 of 207Top 65%
Redwood City, CA: #1,950 of 5,061 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
David Tournatory has been granted 4 US patents while listed as an inventor at Quantance. The first was granted in 2013 and the most recent in August 2025. David Tournatory ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Tournatory in Redwood City, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12388365 Auxiliary circuit of power converter and driving circuit Kaiwei Yao, Mike Grimm 2025-08-12
8952753 Dynamic power supply employing a linear driver and a switching regulator Martin Tomasz 2015-02-10
8890502 Low-noise, high bandwidth quasi-resonant mode switching power supply 2014-11-18
8581498 Control of bleed current in drivers for dimmable lighting devices Eugene L. Cheung, David Jia Chen 2013-11-12