GEMFIRE CORPORATION
36Patents
8Active
36Granted
42Portfolio score
Filing activity: May 10, 1996 → Mar 28, 2012 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6522794B1 | Display panel with electrically-controlled waveguide-routing | Emerging Cross-Sectional Technologies | 283 | Expired |
| US6167169A | Scanning method and architecture for display | Emerging Cross-Sectional Technologies | 185 | Expired |
| US6118908A | Integrated optical device with phosphor in substrate pit | Emerging Cross-Sectional Technologies | 171 | Expired |
| US5835458A | Solid state optical data reader using an electric field for routing control | Physics | 162 | Expired |
| US5911018A | Low loss optical switch with inducible refractive index boundary and spaced output target | Physics | 130 | Expired |
| US6141465A | Display architecture with waveguide routing and out-plane emission | Emerging Cross-Sectional Technologies | 84 | Expired |
| US6078704A | Method for operating a display panel with electrically-controlled waveguide-routing | Emerging Cross-Sectional Technologies | 80 | Expired |
| US6208791A | Optically integrating pixel microstructure | Physics | 70 | Expired |
| US6236774A | Optoelectronic and photonic devices formed of materials which inhibit degradation and failure | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5978524A | Phosphor RE-radiation in integrated optics | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5912997A | Frequency converter optical source for switched waveguide | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6049641A | Connection system for optical redundancy | Electricity | 45 | Expired |
| US5852688A | Method for manipulating optical energy using poled structure | Electricity | 44 | Expired |
| US6724968B2 | Photodefinition of optical devices | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5887089A | Low insertion loss optical switches in display architecture | Physics | 42 | Expired |
| US5781670A | Optical frequency channel selection filter with electronically-controlled grating structures | Physics | 38 | Expired |
| US7235150B2 | Multi-channel laser pump source for optical amplifiers | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6393172B1 | Method of manipulating optical wave energy using patterned electro-optic structures | Electricity | 34 | Expired |
| USRE37809E1 | Laser with electrically-controlled grating reflector | General | 29 | Expired |
| US6325553A | Connection system for optical redundancy | Electricity | 28 | Expired |
| US6507681B1 | Anti-waveguide routing structure | Physics | 27 | Expired |
| US6556734B1 | Electrical connection scheme for optical devices | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7263247B1 | Integrated optical isolator array | Physics | 15 | Expired |
| US6351578B1 | Thermo-optic switch having fast rise-time | Physics | 10 | Expired |
| US6434318B1 | Device and method for variable attenuation of an optical channel | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.