David James Ryan
40Patents
20h-index
50Co-inventors
88Inventor score
Filing activity: Jun 4, 1992 → Jun 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6359923B1 | Highly bandwidth efficient communications | Electricity | 262 | Expired |
| US10700721B2 | Remote passive intermodulation detection using nearby transmissions | Electricity | 261 | Active |
| US11012340B2 | Method and system for detecting interference to wireless networks | Electricity | 261 | Active |
| US10917797B2 | Method and system for detecting and resolving anomalies in a wireless network | Electricity | 260 | Active |
| US10194324B2 | Carrier aggregation using shared spectrum | Electricity | 260 | Active |
| US10389616B2 | Method and system for detecting interference to wireless networks | Electricity | 260 | Active |
| US11019514B2 | Secure network information exchange for external interference detection and system for same | Electricity | 195 | Active |
| US11018784B2 | Detecting tropospheric ducting interference in cellular networks | Electricity | 195 | Active |
| US10541712B1 | Enhanced passive intermodulation detection in wireless networks | Electricity | 195 | Active |
| US11277161B2 | Enhanced passive intermodulation detection in wireless networks | Electricity | 194 | Active |
| US6621851B1 | Priority messaging method for a discrete multitone spread spectrum communications system | Electricity | 149 | Expired |
| US7149238B2 | Highly bandwidth-efficient communications | Electricity | 140 | Expired |
| US6480522B1 | Method of polling second stations for functional quality and maintenance data in a discrete multitone spread spectrum communications system | Electricity | 111 | Expired |
| US7095708B1 | Methods and apparatus for use in communicating voice and high speed data in a wireless communication system | Electricity | 82 | Expired |
| US7106781B2 | Highly bandwidth-efficient communications | Electricity | 74 | Expired |
| US6643281B1 | Synchronization preamble method for OFDM waveforms in a communications system | Electricity | 71 | Expired |
| US5228304A | Refrigerant loss detector and alarm | Electricity | 66 | Expired |
| US6134261A | FDD forward link beamforming method for a FDD communications system | Electricity | 61 | Expired |
| US6333937A | Access retry method for shared channel wireless communications links | Electricity | 54 | Expired |
| US8983470B1 | Automatic identification of clustered near neighbor cells in wireless networks | Electricity | 52 | Active |
| US9730143B2 | Method and apparatus for self organizing networks | Electricity | 16 | Active |
| US6639935B2 | Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system | Electricity | 14 | Expired |
| US8406759B2 | Systems and methods for managing radio resources unsing extended management information bases in wireless networks | Electricity | 14 | Active |
| US6289037A | Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system | Electricity | 14 | Expired |
| US8385220B2 | Systems and methods for determining time varying radio frequency isolation characteristics between network cells | Electricity | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.