Ericsson GE Mobile Communications Inc.
149Patents
0Active
149Granted
45Portfolio score
Filing activity: Oct 17, 1984 → Nov 12, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5568088A | Waste energy control and management in power amplifier | Electricity | 368 | Expired |
| US5555257A | Cellular/satellite communications system with improved frequency re-use | Electricity | 358 | Expired |
| US5418837A | Method and apparatus for upgrading cellular mobile telephones | Electricity | 291 | Expired |
| US5404355A | Method for transmitting broadcast information in a digital control channel | Emerging Cross-Sectional Technologies | 288 | Expired |
| US5218619A | CDMA subtractive demodulation | Electricity | 247 | Expired |
| US5151919A | CDMA subtractive demodulation | Electricity | 246 | Expired |
| US5539730A | TDMA/FDMA/CDMA hybrid radio access methods | Electricity | 240 | Expired |
| US5353332A | Method and apparatus for communication control in a radiotelephone system | Electricity | 230 | Expired |
| US5237586A | Rake receiver with selective ray combining | Electricity | 227 | Expired |
| US5091942A | Authentication system for digital cellular communications | Electricity | 224 | Expired |
| US5535432A | Dual-mode satellite/cellular phone with a frequency synthesizer | Electricity | 224 | Expired |
| US5305349A | Quantized coherent rake receiver | Electricity | 209 | Expired |
| US5237612A | Cellular verification and validation system | Electricity | 208 | Expired |
| US5430760A | Random access in mobile radio telephone systems | Electricity | 204 | Expired |
| US5377183A | Calling channel in CDMA communications system | Emerging Cross-Sectional Technologies | 191 | Expired |
| US5241598A | Rolling key resynchronization in cellular verification and validation system | Electricity | 191 | Expired |
| US5404376A | Navigation assistance for call handling in mobile telephone systems | Electricity | 188 | Expired |
| US5353352A | Multiple access coding for radio communications | Electricity | 158 | Expired |
| US5566168A | TDMA/FDMA/CDMA hybrid radio access methods | Electricity | 154 | Expired |
| US5487181A | Low power architecture for portable and mobile two-way radios | Electricity | 149 | Expired |
| US5345598A | Duplex power control system in a communication network | Electricity | 143 | Expired |
| US5546443A | Communication management technique for a radiotelephone system including microcells | Electricity | 138 | Expired |
| US5313173A | Quadrature modulated phase-locked loop | Electricity | 130 | Expired |
| US5351016A | Adaptively self-correcting modulation system and method | Electricity | 123 | Expired |
| US5361403A | AM-FM transmitter power amplifier | Electricity | 114 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.