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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BA

Brian Acker — 4 Patents

EEEnphase Energy: 4 patents #18 of 128Top 15%
Sebastopol, CA: #61 of 246 inventorsTop 25%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Brian Acker has been granted 4 US patents while listed as an inventor at Enphase Energy. The first was granted in 2014 and the most recent in April 2023. Brian Acker ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Brian Acker in Sebastopol, CA, US.

Patents per Year

Patents granted per year, 2014 to 2023Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142015: 1 patents20152018: 1 patents20182023: 1 patents2023

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11621628 Predictive active filter for EMI attenuation Patrick L. Chapman, Martin Fornage 2023-04-04 $361,142,000
9952263 Method and apparatus for grid impedance detection Andrew Barnes 2018-04-24 $8,965,000
9184652 Method and apparatus for inverter output current harmonic reduction Andrew Barnes 2015-11-10 $1,733,000
8896330 Method and apparatus for grid impedance detection Andrew Barnes 2014-11-25 $8,036,000