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 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6334945 Aging process for solid electrode capacitor Philip M. Lessner, Brian Melody, Erik Karlsen Reed, John Tony Kinard 2002-01-01
6224990 Binder systems for powder metallurgy compacts Peter Fernstrom, Udaya BHIMARAJA, Brian Melody 2001-05-01
6214271 Thermal treatment process for valve metal nitride electrolytic capacitors having manganese oxide cathodes Brian Melody, John Tony Kinard, David Alexander Wheeler 2001-04-10
6191013 Process for improving leakage and dissipation factor of solid electrolytic capacitors employing conductive polymer cathodes Philip M. Lessner, Veeriya Rajasekaran 2001-02-20
6136372 Preparation of conductive polymers from stabilized precursor solutions Philip M. Lessner, Tsung-Yuan Su, Veeriya Rajasekaran 2000-10-24
6072694 Electrolytic capacitor with improved leakage and dissipation factor Philip M. Lessner, Veeriya Rajasekaran 2000-06-06
6056899 Preparation of conductive polymers from stabilized precursor solutions Philip M. Lessner, Tsung-Yuan Su, Veeriya Rajasekaran 2000-05-02
6001281 Preparation of conductive polymers from stabilized precursor solutions Philip M. Lessner, Tsung-Yuan Su, Veeriya Rajasekaran 1999-12-14
5622746 Tantalum capacitor impregnation process Brian Melody, John Henley, John Piper, Shelby J. Poore, Tsung-Yuan Su +1 more 1997-04-22