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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Duc Q. Phan — 2 Patents

General Motors: 2 patents #6,303 of 18,328Top 35%
Gardena, CA: #116 of 346 inventorsTop 35%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Duc Q. Phan has been granted 2 US patents while listed as an inventor at General Motors. The first was granted in 2011 and the most recent in June 2012. Duc Q. Phan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Duc Q. Phan in Gardena, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8203236 Dual voltage-source inverter system and method Gabriel Gallegos-Lopez, Milun Perisic, Silva Hiti, George John, Gregory S. Smith +1 more 2012-06-19 $9,234,000
7987952 Damping mechanisms and motor assemblies Khiet Le, Terence G. Ward, Yunqi Zheng, Gabriel Gallegos-Lopez, Dang Dinh Dang 2011-08-02 $8,927,000