Issued Patents All Time
Showing 25 most recent of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12191089 | Performance of porous capacitor electrodes | Ralph Jason Hemphill, David R. Bowen, Xiaofei Jiang | 2025-01-07 |
| 12106907 | Electrically insulating continuous film for an aluminum electrolytic capacitor | J. Brian Smith, Ralph Jason Hemphill, David R. Bowen | 2024-10-01 |
| 11901134 | Formation of conduits in porous capacitor electrodes | Ralph Jason Hemphill, David R. Bowen, Xiaofei Jiang | 2024-02-13 |
| 11830680 | Reduction of charging time in capacitors | David R. Bowen, Ralph Jason Hemphill | 2023-11-28 |
| 11712751 | Laser cutting of electrodes in electrochemical devices | Kurt J. Erickson, Jeffrey Jon Allison, John Moore, David R. Bowen | 2023-08-01 |
| 11636985 | Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof | David R. Bowen, Ralph Jason Hemphill, Troy L. McCurry, Peter Fernstrom | 2023-04-25 |
| 11221373 | Method and device for detecting early battery depletion condition | Avi Fischer, Gene A. Bornzin, Xing Pei, Aditya Goil, Fady Dawoud +4 more | 2022-01-11 |
| 11195666 | Electrically insulating continuous film for an aluminum electrolytic capacitor | J. Brian Smith, Ralph Jason Hemphill, David R. Bowen | 2021-12-07 |
| 11017955 | Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof | David R. Bowen, Ralph Jason Hemphill, Troy L. McCurry, Peter Fernstrom | 2021-05-25 |
| 10825613 | Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction | Ralph Jason Hemphill, David R. Bowen, Kurt J. Erickson | 2020-11-03 |
| 10573467 | Method of printing a conductive ink onto a cathode surface to increase surface area and capacitance | David R. Bowen, Ralph Jason Hemphill | 2020-02-25 |
| 10354805 | Reducing deformation in capacitors | Ralph Jason Hemphill, Kurt J. Erickson, John Moore, David R. Bowen | 2019-07-16 |
| 10309033 | Process additives to reduce etch resist undercutting in the manufacture of anode foils | Ralph Jason Hemphill, Timothy R. Marshall | 2019-06-04 |
| 10090112 | Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction | Ralph Jason Hemphill, David R. Bowen, Kurt J. Erickson | 2018-10-02 |
| 9976226 | Method of stressing oxides | Ralph Jason Hemphill, David R. Bowen, James Brian Smith | 2018-05-22 |
| 9852849 | Using etch resist patterns and formation for facilitation of laser cutting, particle and leakage current reduction | Ralph Jason Hemphill, David R. Bowen, Troy L. McCurry, Peter Fernstrom | 2017-12-26 |
| 8888967 | Electrochemical drilling system and process for improving electrical porosity of etched anode foil | Jason Hemphill | 2014-11-18 |
| 8871358 | Process for producing high etch gains for electrolytic capacitor manufacturing | Xiaofei Jiang, Tearl Stocker, R. Jason Hemphill | 2014-10-28 |
| 8535507 | Electrochemical drilling system and process for improving electrical porosity of etched anode foil | Ralph Jason Hemphill | 2013-09-17 |
| 8038866 | Process for producing high etch gains for electrolytic capacitor manufacturing | Xiaofei Jiang, Tearl Stocker, R. Jason Hemphill | 2011-10-18 |
| 7715174 | Electrolytic capacitors with alternate cathode materials for use in pulse discharge applications | W. Joseph Beauvais, Melissa A. Moore, James L. Stevens, Christopher R. Feger | 2010-05-11 |
| 7651647 | Method for producing highly conductive battery electrodes | Christopher R. Feger | 2010-01-26 |
| 7578924 | Process for producing high etch gains for electrolytic capacitor manufacturing | Xiaofei Jiang, Tearl Stocker, R. Jason Hemphill | 2009-08-25 |
| 7570995 | Method for reforming a capacitor in an implantable medical device | Mark W. Kroll, Gary Donald Thompson | 2009-08-04 |
| 7531078 | Chemical printing of raw aluminum anode foil to induce uniform patterning etching | James L. Stevens, Xiaofei Jiang | 2009-05-12 |