Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Keith R. Brenneman — 10 Patents

KEKemet Electronics: 10 patents #27 of 180Top 15%
Simpsonville, SC: #176 of 1,013 inventorsTop 20%
South Carolina: #1,498 of 15,501 inventorsTop 10%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Keith R. Brenneman has been granted 10 US patents while listed as an inventor at Kemet Electronics. The first was granted in 2007 and the most recent in January 2016. Keith R. Brenneman ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Keith R. Brenneman in Simpsonville, SC, US.

Patents per Year

Patents granted per year, 2007 to 2016Bar chart with a peak of 2 patents in 2010.peak 22007: 1 patents20072009: 1 patents20092010: 2 patents20102011: 1 patents20112013: 1 patents20132014: 1 patents20142015: 2 patents20152016: 1 patents2016

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9236191 Materials and method for improving corner and edge coverage of solid electrolytic capacitors Antony P. Chacko, Yang Jin, Randolph S. Hahn, Yongjian Qiu, Philip M. Lessner 2016-01-12 $1,114,000
9053866 Solid electrolytic capacitor and method of manufacture Brandon Summey, Jeffrey Poltorak, Philip M. Lessner, Yongjian Qiu, Randolph S. Hahn +3 more 2015-06-09 $1,300,000
9030807 Materials and methods for improving corner and edge coverage of solid electrolytic capacitors Antony P. Chacko, Qingping Chen, Yang Jin, Philip M. Lessner, Randolph S. Hahn +1 more 2015-05-12 $774,000
8771381 Process for producing electrolytic capacitors and capacitors made thereby Qingping Chen, Hong-Bo Zhang, Antony P. Chacko, Philip M. Lessner, Randolph S. Hahn +1 more 2014-07-08 $2,378,000
8520366 Solid electrolytic capacitor and method of manufacture Brandon Summey, Jeffrey Poltorak, Philip M. Lessner, Yongjian Qiu, Randolph S. Hahn +3 more 2013-08-27 $2,112,000
7990683 High voltage solid electrolytic capacitors using conductive polymer slurries Yongjian Qiu, Randy S. Hahn 2011-08-02 $6,585,000
7833292 Channel method for forming a capacitor Chris Wayne, Chris Stolarski, John Tony Kinard, Alethia Melody, Gregory J. Dunn +2 more 2010-11-16 $3,383,000
7754276 Process for manufacturing low ESR conductive polymer based solid electrolytic capacitors Yongjian Qiu, Qingping Chen, Philip M. Lessner, Randy S. Hahn, Cynthia L. Prince 2010-07-13
7563290 High voltage solid electrolytic capacitors using conductive polymer slurries Yongjian Qiu, Randy S. Hahn 2009-07-21
7221554 Method of electrolytic deposition of an intrinsically conductive polymer upon a non-conductive substrate Keith Lee Moore, Philip M. Lessner 2007-05-22 $4,693,000