Inventor · disambiguated record
Ralph Jason Hemphill
Also filed as: HEMPHILL RALPH JASON
55 granted patents·6 pending applications·301 citations·filing 1998–2025
98Inventor score
Top patents by PatentIndex Score
61 records- 0196US9842702B1Thermal treatment of capacitor electrode materialsPACESETTER INC·Filed 2017·Granted Dec 12, 2017·10 cites·20 claims
- 0295US12033807B2Laser drilling of metal foils for assembly in an electrolytic capacitorPACESETTER INC·Filed 2021·Granted Jul 9, 2024·2 cites·19 claims
- 0394US9275800B2Method of nano-patterning a foil surcePACESETTER INC·Filed 2013·Granted Mar 1, 2016·14 cites·20 claims
- 0493US9412525B2Anode foils for electrolytic capacitors and methods for making samePACESETTER INC·Filed 2014·Granted Aug 9, 2016·16 cites·20 claims
- 0592US9852849B2Using etch resist patterns and formation for facilitation of laser cutting, particle and leakage current reductionPACESETTER INC·Filed 2016·Granted Dec 26, 2017·7 cites·21 claims
- 0691US10707024B2Method of forming an aluminum oxide layer on anode foil for aluminum electrolytic capacitorPACESETTER INC·Filed 2018·Granted Jul 7, 2020·4 cites·17 claims
- 0790US8535507B1Electrochemical drilling system and process for improving electrical porosity of etched anode foilHEMPHILL RALPH JASON·Filed 2008·Granted Sep 17, 2013·17 cites·12 claims
- 0890US6736956B1Non-uniform etching of anode foil to produce higher capacitance gain without sacrificing foil strengthPACESETTER INC·Filed 2001·Granted May 18, 2004·55 cites·15 claims
- 0989US9859065B1High voltage capacitor with increased anode surface area and method of making samePACESETTER INC·Filed 2016·Granted Jan 2, 2018·4 cites·20 claims
- 1088US6858126B1High capacitance anode and system and method for making samePACESETTER INC·Filed 2002·Granted Feb 22, 2005·45 cites·20 claims
- 1188US2025069816A1Performance of porous capacitor electrodesPACESETTER INC·Filed 2024·Application pending·0 cites
- 1287US12340951B2Laser drilling of metal foils for assembly in an electrolytic capacitorPACESETTER INC·Filed 2024·Granted Jun 24, 2025·0 cites·20 claims
- 1386US12191089B2Performance of porous capacitor electrodesPACESETTER INC·Filed 2023·Granted Jan 7, 2025·0 cites·18 claims
- 1486US2025285813A1Laser drilling of metal foils for assembly in an electrolytic capacitorPACESETTER INC·Filed 2025·Application pending·0 cites
- 1585US11195666B2Electrically insulating continuous film for an aluminum electrolytic capacitorPACESETTER INC·Filed 2019·Granted Dec 7, 2021·2 cites·20 claims
- 1685US10072349B2Etch solutions having bis(perfluoroalkylsulfonyl)imides, and use thereof to form anode foils with increased capacitancePACESETTER INC·Filed 2016·Granted Sep 11, 2018·2 cites·13 claims
- 1785US9978529B2Oxide on edges of metal anode foilsPACESETTER INC·Filed 2016·Granted May 22, 2018·2 cites·17 claims
- 1885US6802954B1Creation of porous anode foil by means of an electrochemical drilling processPACESETTER INC·Filed 2002·Granted Oct 12, 2004·36 cites·20 claims
- 1984US8992787B2Anode foils for electrolytic capacitors and methods for making sameBOWEN DAVID R·Filed 2011·Granted Mar 31, 2015·6 cites·9 claims
- 2082US10354805B2Reducing deformation in capacitorsPACESETTER INC·Filed 2017·Granted Jul 16, 2019·2 cites·19 claims
- 2181US10923291B2Oxide on edges of metal anode foilsPACESETTER INC·Filed 2018·Granted Feb 16, 2021·1 cites·18 claims
- 2281US10872731B2Aluminum oxide layer on anode foil for aluminum electrolytic capacitorPACESETTER INC·Filed 2020·Granted Dec 22, 2020·1 cites·19 claims
- 2381US2024428999A1Electrically insulating continuous film for an aluminum electrolytic capacitorPACESETTER INC·Filed 2024·Application pending·0 cites
- 2476US11476057B2Increasing capacitance of a capacitorPACESETTER INC·Filed 2019·Granted Oct 18, 2022·1 cites·13 claims
- 2576US10894157B2Laser marking of raw anode foil to induce uniform pattering and etching with oxide passivation maskPACESETTER INC·Filed 2018·Granted Jan 19, 2021·1 cites·21 claims
- 2675US6197184B1Method of producing high quality oxide for electrolytic capacitorsPACESETTER INC·Filed 1998·Granted Mar 6, 2001·26 cites·18 claims
- 2774US11901134B2Formation of conduits in porous capacitor electrodesPACESETTER INC·Filed 2020·Granted Feb 13, 2024·0 cites·20 claims
- 2874US11469052B2Oxide on edges of metal anode foilsPACESETTER INC·Filed 2021·Granted Oct 11, 2022·0 cites·19 claims
- 2972US12106907B2Electrically insulating continuous film for an aluminum electrolytic capacitorPACESETTER INC·Filed 2021·Granted Oct 1, 2024·0 cites·17 claims
- 3071US11972906B2Aluminum oxide layer on anode foil for aluminum electrolytic capacitorPACESETTER INC·Filed 2020·Granted Apr 30, 2024·0 cites·19 claims
- 3170US9090986B1Method for making electrode foils having reduced particle detachment and reduced leakage currentPACESETTER INC·Filed 2014·Granted Jul 28, 2015·1 cites·19 claims
- 3269US11636985B2Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereofPACESETTER INC·Filed 2021·Granted Apr 25, 2023·0 cites·20 claims
- 3369US11258125B2Electrode feedthru having pin attached to wire therein and method of manufacturingPACESETTER INC·Filed 2020·Granted Feb 22, 2022·0 cites·20 claims
- 3468US11230794B2Use of nonafluorobutanesulfonic acid in a low PH etch solution to increase aluminum foil capacitancePACESETTER INC·Filed 2019·Granted Jan 25, 2022·0 cites·20 claims
- 3568US10604862B2Etch solutions having bis(perfluoroalkylsulfonyl)imides, and use thereof to form anode foils with increased capacitancePACESETTER INC·Filed 2018·Granted Mar 31, 2020·0 cites·10 claims
- 3667US10240249B2Use of nonafluorobutanesulfonic acid in a low pH etch solution to increase aluminum foil capacitancePACESETTER INC·Filed 2017·Granted Mar 26, 2019·0 cites·17 claims
- 3766US6168706B1Process for producing high etch gains for electrolytic capacitor manufacturingPACESETTER INC·Filed 1998·Granted Jan 2, 2001·23 cites·19 claims
- 3865US11545307B2Fabrication of capacitors and recovery of capacitor fabrication matertialsPACESETTER INC·Filed 2020·Granted Jan 3, 2023·0 cites·14 claims
- 3965US11185948B2Laser drilling of metal foils for assembly in an electrolytic capacitorPACESETTER INC·Filed 2018·Granted Nov 30, 2021·0 cites·19 claims
- 4065US10825613B2Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reductionPACESETTER INC·Filed 2018·Granted Nov 3, 2020·0 cites·19 claims
- 4165US2019108947A1Performance of porous capacitor electrodesPACESETTER INC·Filed 2017·Application pending·0 cites
- 4263US10603694B2Sonicating bath for anode foilsPACESETTER INC·Filed 2018·Granted Mar 31, 2020·0 cites·10 claims
- 4361US11017955B2Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereofPACESETTER INC·Filed 2018·Granted May 25, 2021·0 cites·18 claims
- 4460US9991056B2Sonicating bath for anode foilsPACESETTER INC·Filed 2015·Granted Jun 5, 2018·0 cites·10 claims
- 4560US9969030B2Laser drilling of metal foils for assembly in an electrolytic capacitorPACESETTER INC·Filed 2016·Granted May 15, 2018·0 cites·15 claims
- 4659US10685786B2Performance of capacitor electrodesPACESETTER INC·Filed 2018·Granted Jun 16, 2020·0 cites·25 claims
- 4759US10090112B2Use of etch resist masked anode frame for facilitation of laser cutting, particle and leakage current reductionPACESETTER INC·Filed 2016·Granted Oct 2, 2018·0 cites·21 claims
- 4859US9978530B2Method of nano-patterning a foil surfacePACESETTER INC·Filed 2016·Granted May 22, 2018·0 cites·11 claims
- 4959US6238810B1Process for using surface active agents to produce high etch gains for electrolytic capacitor manufacturingPACESETTER INC·Filed 1999·Granted May 29, 2001·23 cites·22 claims
- 5057US11342128B2Electrolytic capacitorPACESETTER INC·Filed 2019·Granted May 24, 2022·0 cites·18 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →