Robert A. Kimball
16Patents
7h-index
13Co-inventors
63Inventor score
Filing activity: Mar 29, 1993 → Dec 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5493183A | Open loop brightness control for EL lamp | Emerging Cross-Sectional Technologies | 171 | Expired |
| US5313141A | Three terminal inverter for electroluminescent lamps | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5349269A | Power supply having dual inverters for electroluminescent lamps | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5502357A | Low cost inverter for EL lamp | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6462485B1 | EL driver for small semiconductor die | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5347198A | Low cost AC switch for electroluminescent lamps | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5483503A | Split chip inverter for EL lamp | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6204609A | Enhanced inverter for powering an EL lamp | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6580222B2 | Inverter for driving EL lamp and light emitting diodes | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6597123B1 | Inverter for driving EL lamp and liquid crystal display | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7190600B1 | Single output EL driver producing reduced current spikes | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7876399B2 | Liquid crystal display with split electrode | Physics | 3 | Active |
| US6407507B1 | Personal electronic device having EL lamp and buzzer powered from a single inductor | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7843140B2 | AC switch with zero off current for EL panel | Emerging Cross-Sectional Technologies | 0 | Active |
| US11710759B2 | Single contact relief print generator | Electricity | 0 | Active |
| US7009346B2 | Driving an EL panel without DC bias | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.