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USPTO Patent Rankings Data through Dec 31, 2025
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David E. O'Brien — 3 Patents

TETeradyne: 3 patents #93 of 581Top 20%
Boston, MA: #2,093 of 5,993 inventorsTop 35%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David E. O'Brien has been granted 3 US patents while listed as an inventor at Teradyne. The first was granted in 2002 and the most recent in March 2013. David E. O'Brien ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David E. O'Brien in Boston, MA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8400338 Compensating for harmonic distortion in an instrument channel 2013-03-19 $16,249,000
7545224 Cost effective low noise single loop synthesizer Colin Chow 2009-06-09 $14,906,000
6356129 Low jitter phase-locked loop with duty-cycle control Timothy Sheen, Marc Reuben Hutner, Michael A. Mittelbrunn, Abdelkebir Sabil 2002-03-12 $104,448,000