Patent assignee · US · COMPANY

KEMET Electronics Corporation

302Patents
210Active
302Granted
56Portfolio score

Filing activity: May 23, 1988 → Feb 20, 2024 · 43 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7667954B2 Capacitor Emerging Cross-Sectional Technologies 115 Active
US7116548B2 Fluted anode with minimal density gradients and capacitor comprising same Electricity 111 Expired
US7563290B2 High voltage solid electrolytic capacitors using conductive polymer slurries Emerging Cross-Sectional Technologies 86 Active
US6304427A Combinations of materials to minimize ESR and maximize ESR stability of surface mount valve-metal capacitors after exposure to heat and/or humidity Electricity 55 Expired
US5973907A Multiple element capacitor Electricity 52 Expired
US7554793B2 Low temperature curable conductive adhesive and capacitors formed thereby Emerging Cross-Sectional Technologies 50 Active
US6072694A Electrolytic capacitor with improved leakage and dissipation factor Emerging Cross-Sectional Technologies 46 Expired
US8310815B2 High voltage and high efficiency polymer electrolytic capacitors Emerging Cross-Sectional Technologies 44 Active
US5716511A Anodizing electrolyte and its use Electricity 44 Expired
US8808403B2 Process for solid electrolytic capacitors using polymer slurries Electricity 41 Active
US7154742B1 Fluted anode with improved capacitance and capacitor comprising same Electricity 40 Expired
US9030807B2 Materials and methods for improving corner and edge coverage of solid electrolytic capacitors Emerging Cross-Sectional Technologies 40 Active
US6185087A Multilayer ceramic chip capacitor with high reliability compatible with nickel electrodes Electricity 38 Expired
US7990683B2 High voltage solid electrolytic capacitors using conductive polymer slurries Emerging Cross-Sectional Technologies 38 Active
US6136176A Capacitor with conductive polymer Emerging Cross-Sectional Technologies 35 Expired
US6001281A Preparation of conductive polymers from stabilized precursor solutions Emerging Cross-Sectional Technologies 35 Expired
US6804109B1 Solid electrolyte capacitor having transition metal oxide underlayer and conductive polymer electrolyte Emerging Cross-Sectional Technologies 35 Expired
US8323361B2 High voltage and high efficiency polymer electrolytic capacitors Emerging Cross-Sectional Technologies 31 Active
US6191013A Process for improving leakage and dissipation factor of solid electrolytic capacitors employing conductive polymer cathodes Emerging Cross-Sectional Technologies 28 Expired
US6845004B2 Protecting resin-encapsulated components Electricity 26 Expired
US7499260B2 Capacitor and method for producing a capacitor Emerging Cross-Sectional Technologies 26 Expired
US6788523B1 Electrolyte for electrolytic capacitor Electricity 26 Expired
US6334966B1 Chemical oxidative preparation of conductive polymers Emerging Cross-Sectional Technologies 26 Expired
US5837121A Method for anodizing valve metals Chemistry; Metallurgy 25 Expired
US7221554B2 Method of electrolytic deposition of an intrinsically conductive polymer upon a non-conductive substrate Electricity 24 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.