Ronald A. Lesea
18Patents
9h-index
8Co-inventors
65Inventor score
Filing activity: Feb 28, 1977 → Oct 30, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5315214A | Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with automatic ambient over-temperature shutdown | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4415839A | Electronic ballast for gaseous discharge lamps | Electricity | 68 | Expired |
| US6465990B2 | Power factor correction circuit | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4672522A | Power factor correcting network | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4256928A | Telephone call diverting and answering system | Electricity | 23 | Expired |
| US5021716A | Forward inverter ballast circuit | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4117270A | Telephone answering and call diverting system | Electricity | 16 | Expired |
| US5028846A | Single-ended ballast circuit | Electricity | 11 | Expired |
| US5477112A | Ballasting network with integral trap | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5757630A | Control circuit with improved functionality for non-linear and negative resistance loads | Electricity | 9 | Expired |
| US5635825A | Power factor corrected feedforward coupled DC power supply | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5345164A | Power factor corrected DC power supply | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7859194B2 | Short arc lamp driver and applications | Electricity | 5 | Active |
| US5047691A | High-pass t-networks with integral transformer for gaseous discharge lamps | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5315215A | High-voltage switching circuit | Electricity | 3 | Expired |
| US5949196A | Method and system for switchable light levels in operating gas discharge lamps with an inexpensive single ballast | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5175475A | High-pass t-networks with integral transformer for gaseous discharge lamps | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5101140A | High-pass T-networks with integral transformer for gaseous discharge lamps | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.