Ray Gibson
12Patents
5h-index
17Co-inventors
63Inventor score
Filing activity: Jun 29, 1988 → Dec 15, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4977346A | High pressure sodium discharge lamp having gas filled outer envelope | Electricity | 56 | Expired |
| US6172462A | Ceramic metal halide lamp with integral UV-enhancer | Electricity | 18 | Expired |
| US6555962B1 | Ceramic metal halide lamp having medium aspect ratio | Electricity | 6 | Expired |
| US6861805B2 | Coil antenna/protection for ceramic metal halide lamps | Electricity | 6 | Expired |
| US6049169A | Electric lamp having optical interference filter of alternating layers of SiO.sub.2 and Nb.sub.2 O.sub.5 --Ta.sub.2 O.sub.5 | Electricity | 5 | Expired |
| US4939408A | High pressure sodium discharge reflector lamp | Electricity | 5 | Expired |
| US4926092A | Stem with molded back-fill gas directional diffuser | Electricity | 4 | Expired |
| US6833677B2 | 150W-1000W mastercolor ceramic metal halide lamp series with color temperature about 4000K, for high pressure sodium or quartz metal halide retrofit applications | Electricity | 4 | Expired |
| US7331837B2 | Coil antenna/protection for ceramic metal halide lamps | Electricity | 2 | Expired |
| US4963791A | High pressure sodium discharge tube support structure | Electricity | 0 | Expired |
| US9773659B2 | Metal halide lamp with ceramic discharge vessel | Electricity | 0 | Active |
| US7344427B2 | 150W-1000W MasterColor® ceramic metal halide lamp series with color temperature about 4000K, for high pressure sodium or quartz metal halide retrofit applications | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.