HUGHES ELECTRONICS LIMITED
1,331Patents
2Active
1,331Granted
49Portfolio score
Filing activity: May 18, 1988 → Aug 18, 2015 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5769748A | Gimbal employing differential combination of offset drives | Emerging Cross-Sectional Technologies | 1,190 | Expired |
| US5635989A | Method and apparatus for sorting and searching a television program guide | Electricity | 530 | Expired |
| US5706457A | Image display and archiving system and method | Emerging Cross-Sectional Technologies | 473 | Expired |
| US6522342B1 | Graphical tuning bar for a multi-program data stream | Emerging Cross-Sectional Technologies | 457 | Expired |
| US5729242A | Dual PDLC-projection head-up display | Physics | 382 | Expired |
| US5852721A | Method and apparatus for selectively retrieving information from a source computer using a terrestrial or satellite interface | Electricity | 378 | Expired |
| US6351467B1 | System and method for multicasting multimedia content | Electricity | 376 | Expired |
| US6622307B1 | Multiple-room signal distribution system | Electricity | 359 | Expired |
| US5596676A | Mode-specific method and apparatus for encoding signals containing speech | Physics | 342 | Expired |
| US6473793B1 | Method and apparatus for selectively allocating and enforcing bandwidth usage requirements on network users | Electricity | 341 | Expired |
| US5694176A | Method and apparatus for generating television program guides with category selection overlay | Electricity | 331 | Expired |
| US5732597A | Pre-loaded self-aligning roller nut assembly for standard micrometer spindle and the like | Emerging Cross-Sectional Technologies | 327 | Expired |
| US6046659A | Design and fabrication of broadband surface-micromachined micro-electro-mechanical switches for microwave and millimeter-wave applications | Electricity | 270 | Expired |
| US6701528B1 | Virtual video on demand using multiple encrypted video segments | Electricity | 269 | Expired |
| US6658463B1 | Satellite multicast performance enhancing multicast HTTP proxy system and method | Electricity | 265 | Expired |
| US6075526A | Method and apparatus for sorting and searching a television program guide based on user profile | Electricity | 262 | Expired |
| US6067561A | Electronic mail notification system and method within a hybrid network that transmits notifications via a continuous, high-speed channel | Electricity | 262 | Expired |
| US5861843A | Phase array calibration orthogonal phase sequence | Electricity | 259 | Expired |
| US6014110A | Antenna and method for receiving or transmitting radiation through a dielectric material | Electricity | 244 | Expired |
| US6350944B1 | Solar module array with reconfigurable tile | Emerging Cross-Sectional Technologies | 237 | Expired |
| US6236445A | Method for making topographic projections | Physics | 235 | Expired |
| US6795848B1 | System and method of reading ahead of objects for delivery to an HTTP proxy server | Electricity | 229 | Expired |
| US6067045A | Communication network initialization apparatus and method for fast GPS-based positioning | Physics | 217 | Expired |
| US5784033A | Plural frequency antenna feed | Electricity | 216 | Expired |
| US5828419A | Method and apparatus for generating television program guides utilizing icons | Electricity | 215 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.