Patrick Feyfant
20Patents
9h-index
17Co-inventors
68Inventor score
Filing activity: Jul 29, 1997 → Aug 21, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6275694A | Method for remotely updating software code for personal handy phone system equipment | Electricity | 29 | Expired |
| US5949764A | Conference call on a personal handy phone system portable station | Electricity | 25 | Expired |
| US6466562B1 | Data communication devices, personal handy-phone system base stations, and methods of communicating data | Electricity | 17 | Expired |
| US6101171A | Slot by slot PS/CS switching apparatus within the personal handy phone system | Electricity | 15 | Expired |
| US6115367A | Methods of analyzing a radio signal and methods of analyzing a personal handy-phone system radio signal | Electricity | 14 | Expired |
| US6256354A | Voice recording and playback mode using the G.726 half-rate within the personal handy phone system | Electricity | 12 | Expired |
| US6304560A | Personal handy-phone system wireless local loops and methods of transmitting information within personal handy-phone systems | Electricity | 10 | Expired |
| US6275680A | Hardware PCH checking for personal handyphone system portable station | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6646579B2 | Method and device for generating OVSF code words | Electricity | 9 | Expired |
| US6041217A | Personal handyphone system hardware checking of broadcasting reception indication | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6134429A | Direct digital down conversion of a 10.8 MHz intermediate frequency signal in the personal handy phone system | Electricity | 6 | Expired |
| US6233257A | Wireless local loop automatic delay setting | Electricity | 5 | Expired |
| US6198784A | Methods of synchronizing a personal handy-phone system station and phase lock loops | Electricity | 3 | Expired |
| US6016331A | Methods of synchronization, personal handy-phone system stations and phase lock loops | Electricity | 3 | Expired |
| US6891886B2 | Apparatus for finely synchronizing code signals | Electricity | 2 | Expired |
| US6035222A | Extended common access channel low power usage within the personal handy phone system | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5903828A | Personal handyphone system hardware checking of SA-field | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6574281B1 | Voice recording and playback mode using the G.726 half-rate within the personal handy phone system | Electricity | 1 | Expired |
| US7110369B2 | Apparatus for placing power control data in a transmission signal | Electricity | 0 | Expired |
| US7539149B2 | Apparatus and method for placing power control data in a transmission signal | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.