Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RH

Randolph S. Hahn

KEKemet Electronics: 34 patents #6 of 180Top 4%
Simpsonville, SC: #26 of 1,013 inventorsTop 3%
South Carolina: #229 of 15,501 inventorsTop 2%
Overall (All Time): #102,609 of 4,157,543Top 3%
34 Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
11361908 Capacitor with volumetrically efficient hermetic packaging Antony P. Chacko, David Jacobs, Brandon Summey 2022-06-14
10861652 Capacitor with volumetrically efficient hermetic packaging Antony P. Chacko, David Jacobs, Brandon Summey 2020-12-08
10403443 Solid electrolytic capacitor with high temperature leakage stability Antony P. Chacko, Pablo Antonio Ruiz 2019-09-03
9959979 Low ESR capacitor Jeffrey Poltorak, Brandon Summey, Antony P. Chacko, John Tony Kinard, Philip M. Lessner 2018-05-01
9761347 Process to improve coverage and electrical performance of solid electrolytic capacitor Yaru Shi, Antony P. Chacko, Hong-Bo Zhang, Qingping Chen, Lei Xu +2 more 2017-09-12
9748043 Method of improving electromechanical integrity of cathode coating to cathode termination interfaces in solid electrolytic capacitors Antony P. Chacko, John E. McConnell, Robert Ramsbottom, Philip M. Lessner, John Bultitude 2017-08-29
9524829 Solid electrolytic capacitor and improved method for manufacturing a solid electrolytic capacitor Hong-Bo Zhang, Qingping Chen 2016-12-20
9362056 Solid electrolytic capacitor with high temperature leakage stability Antony P. Chacko, Pablo Antonio Ruiz 2016-06-07
9343239 Solid electrolytic capacitor and improved method for manufacturing a solid electrolytic capacitor Hong-Bo Zhang, Qingping Chen 2016-05-17
9236191 Materials and method for improving corner and edge coverage of solid electrolytic capacitors Antony P. Chacko, Yang Jin, Yongjian Qiu, Philip M. Lessner, Keith R. Brenneman 2016-01-12
9053866 Solid electrolytic capacitor and method of manufacture Brandon Summey, Jeffrey Poltorak, Philip M. Lessner, Yongjian Qiu, David Jacobs +3 more 2015-06-09
9030807 Materials and methods for improving corner and edge coverage of solid electrolytic capacitors Antony P. Chacko, Qingping Chen, Yang Jin, Philip M. Lessner, Yongjian Qiu +1 more 2015-05-12
8896985 Solid electrolytic capacitors with improved reliability Antony P. Chacko 2014-11-25
8896986 Method of improving electromechanical integrity of cathode coating to cathode termination interfaces in solid electrolytic capacitors Antony P. Chacko, John E. McConnell, Philip M. Lessner, John Bultitude 2014-11-25
8808403 Process for solid electrolytic capacitors using polymer slurries Yongjian Qiu, Kristen Key, Qingping Chen 2014-08-19
8771381 Process for producing electrolytic capacitors and capacitors made thereby Qingping Chen, Hong-Bo Zhang, Antony P. Chacko, Philip M. Lessner, Yongjian Qiu +1 more 2014-07-08
8520366 Solid electrolytic capacitor and method of manufacture Brandon Summey, Jeffrey Poltorak, Philip M. Lessner, Yongjian Qiu, David Jacobs +3 more 2013-08-27
8325465 NbO capacitors with improved performance and higher working voltages Yuri Freeman, Philip M. Lessner, Jeffrey Poltorak 2012-12-04
8262745 Capacitor with sacrificial lead wire configuration and improved manufacturing method thereof Erik Karlsen Reed, David Jacobs 2012-09-11
7929274 Capacitor with sacrificial lead wire configuration and improved manufacturing method thereof Erik Karlsen Reed, David Jacobs 2011-04-19
6849134 Minimum volume oven for producing uniform pyrolytic oxide coatings on capacitor anodes John Henley, Brian Melody, John Tony Kinard 2005-02-01
6804109 Solid electrolyte capacitor having transition metal oxide underlayer and conductive polymer electrolyte Brian Melody, John Tony Kinard, Kimberly Pritchard, Elisabeth Crittendon Key 2004-10-12
6798644 ESR of solid electrolytic capacitors using conductive polymer cathodes James L. Piller, Philip M. Lessner, Carole C. Eppes, Kimberly Pritchard 2004-09-28
6377443 Thermal treatment process for valve metal nitride electrolytic capacitors having manganese oxide cathodes Brian Melody, John Tony Kinard, David Alexander Wheeler 2002-04-23
6334966 Chemical oxidative preparation of conductive polymers Philip M. Lessner, Brian Melody, John Tony Kinard 2002-01-01