Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12340951 | Laser drilling of metal foils for assembly in an electrolytic capacitor | Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom | 2025-06-24 |
| 12191089 | Performance of porous capacitor electrodes | Ralph Jason Hemphill, Thomas F. Strange, Xiaofei Jiang | 2025-01-07 |
| 12106907 | Electrically insulating continuous film for an aluminum electrolytic capacitor | J. Brian Smith, Ralph Jason Hemphill, Thomas F. Strange | 2024-10-01 |
| 12033807 | Laser drilling of metal foils for assembly in an electrolytic capacitor | Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom | 2024-07-09 |
| 11901134 | Formation of conduits in porous capacitor electrodes | Ralph Jason Hemphill, Thomas F. Strange, Xiaofei Jiang | 2024-02-13 |
| 11830680 | Reduction of charging time in capacitors | Ralph Jason Hemphill, Thomas F. Strange | 2023-11-28 |
| 11791104 | Reducing variance in capacitor electrodes | Ralph Jason Hemphill | 2023-10-17 |
| 11712751 | Laser cutting of electrodes in electrochemical devices | Kurt J. Erickson, Jeffrey Jon Allison, John Moore, Thomas F. Strange | 2023-08-01 |
| 11636985 | Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof | Ralph Jason Hemphill, Thomas F. Strange, Troy L. McCurry, Peter Fernstrom | 2023-04-25 |
| 11545307 | Fabrication of capacitors and recovery of capacitor fabrication matertials | Ralph Jason Hemphill | 2023-01-03 |
| 11476057 | Increasing capacitance of a capacitor | Justin K. King, Ralph Jason Hemphill, Timothy R. Marshall | 2022-10-18 |
| 11469052 | Oxide on edges of metal anode foils | Ralph Jason Hemphill | 2022-10-11 |
| 11195666 | Electrically insulating continuous film for an aluminum electrolytic capacitor | J. Brian Smith, Ralph Jason Hemphill, Thomas F. Strange | 2021-12-07 |
| 11185948 | Laser drilling of metal foils for assembly in an electrolytic capacitor | Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom | 2021-11-30 |
| 11017955 | Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof | Ralph Jason Hemphill, Thomas F. Strange, Troy L. McCurry, Peter Fernstrom | 2021-05-25 |
| 10923291 | Oxide on edges of metal anode foils | Ralph Jason Hemphill | 2021-02-16 |
| 10894157 | Laser marking of raw anode foil to induce uniform pattering and etching with oxide passivation mask | Ralph Jason Hemphill, Kurt J. Erickson | 2021-01-19 |
| 10825613 | Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction | Thomas F. Strange, Ralph Jason Hemphill, Kurt J. Erickson | 2020-11-03 |
| 10603694 | Sonicating bath for anode foils | Ralph Jason Hemphill, James Brian Smith, Xiaofei Jiang, Troy L. McCurry | 2020-03-31 |
| 10573467 | Method of printing a conductive ink onto a cathode surface to increase surface area and capacitance | Thomas F. Strange, Ralph Jason Hemphill | 2020-02-25 |
| 10422050 | Process for using persulfate in a low pH etch solution to increase aluminum foil capacitance | Ralph Jason Hemphill, James Brian Smith, Timothy R. Marshall | 2019-09-24 |
| 10354805 | Reducing deformation in capacitors | Ralph Jason Hemphill, Kurt J. Erickson, John Moore, Thomas F. Strange | 2019-07-16 |
| 10163577 | Aluminum electrolytic capacitor and assembly thereof | Troy L. McCurry, Ralph Jason Hemphill, Peter Fernstrom | 2018-12-25 |
| 10090112 | Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reduction | Thomas F. Strange, Ralph Jason Hemphill, Kurt J. Erickson | 2018-10-02 |
| 9991056 | Sonicating bath for anode foils | Ralph Jason Hemphill, James Brian Smith, Xiaofei Jiang, Troy L. McCurry | 2018-06-05 |