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

NANanogen: 2 patents #38 of 86Top 45%
GBGamida For Life B.V.: 1 patents #10 of 46Top 25%
San Diego, CA: #8,442 of 23,606 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 Willoughby has been granted 4 US patents while listed as an inventor at Nanogen. The first was granted in 2002 and the most recent in December 2017. David Willoughby ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Willoughby in San Diego, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9839274 Consumer good multimedia system Colleen Ann Brickner 2017-12-12
7857957 Integrated portable biological detection system Jing Cheng, Lei Wu, Michael J. Heller, Edward L. Sheldon, Jonathan Diver +3 more 2010-12-28
7172896 Integrated portable biological detection system Jing Cheng, Lei Wu, Michael J. Heller, Ed Sheldon, Jonathan Diver +3 more 2007-02-06 $667,000
6403367 Integrated portable biological detection system Jing Cheng, Lei Wu, Michael J. Heller, Ed Sheldon, Jonathan Diver +3 more 2002-06-11 $1,331,000