Thomas Ribarich
97Patents
21h-index
30Co-inventors
88Inventor score
Filing activity: Jul 26, 1994 → Jun 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6259614A | Power factor correction control circuit | Emerging Cross-Sectional Technologies | 128 | Expired |
| US6211623A | Fully integrated ballast IC | Electricity | 70 | Expired |
| US6008593A | Closed-loop/dimming ballast controller integrated circuits | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6900599B2 | Electronic dimming ballast for cold cathode fluorescent lamp | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7976182B2 | LED lamp assembly with temperature control and method of making the same | Emerging Cross-Sectional Technologies | 58 | Active |
| US6807070B2 | Resonant converter with phase delay control | Emerging Cross-Sectional Technologies | 48 | Expired |
| US7126288B2 | Digital electronic ballast control apparatus and method | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6331755A | Circuit for detecting near or below resonance operation of a fluorescent lamp driven by half-bridge circuit | Electricity | 39 | Expired |
| US6956336B2 | Single chip ballast control with power factor correction | Electricity | 37 | Expired |
| US6617805B2 | Ballast control IC with power factor correction | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6903949B2 | Resonant converter with phase delay control | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6771029B2 | Digital dimming fluorescent ballast | Emerging Cross-Sectional Technologies | 30 | Expired |
| US9929652B1 | GaN FET with integrated driver and slew rate control | Emerging Cross-Sectional Technologies | 29 | Active |
| US6316887A | Multiple ignition high intensity discharge ballast control circuit | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6031342A | Universal input warm-start linear ballast | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6002214A | Phase detection control circuit for an electronic ballast | Emerging Cross-Sectional Technologies | 26 | Expired |
| US9831867B1 | Half bridge driver circuits | Electricity | 25 | Active |
| US5973943A | Non zero-voltage switching protection circuit | Electricity | 24 | Expired |
| US7753558B2 | Compact fluorescent lamp package | Emerging Cross-Sectional Technologies | 24 | Active |
| US6008592A | End of lamp life or false lamp detection circuit for an electronic ballast | Electricity | 23 | Expired |
| US7554271B2 | Single stage PFC and power converter circuit | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7154232B2 | Ballast control IC with multi-function feedback sense | Electricity | 19 | Expired |
| US6603274B2 | Dimming ballast for compact fluorescent lamps | Electricity | 18 | Expired |
| US6525492B2 | Ballast control IC with minimal internal and external components | Emerging Cross-Sectional Technologies | 18 | Expired |
| USRE40016E1 | Power factor correction control circuit | General | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.