Richard P. Ejzak
52Patents
25h-index
49Co-inventors
88Inventor score
Filing activity: Feb 26, 1980 → Sep 1, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6108374A | System and method for measuring channel quality information | Electricity | 186 | Expired |
| US6069883A | Code division multiple access system providing enhanced load and interference based demand assignment service to users | Electricity | 167 | Expired |
| US6996087B2 | Communication system including an interworking mobile switching center for call termination | Electricity | 100 | Expired |
| US6215827A | System and method for measuring channel quality information in a communication system | Electricity | 94 | Expired |
| US6389066B1 | System and method for adaptive modification of modulated and coded schemes in a communication system | Electricity | 91 | Expired |
| US6721565B1 | Handover of wireless calls between systems supporting circuit and packet call models | Electricity | 89 | Expired |
| US4403292A | Control for an electrical generating and distribution system, and method of operation | Electricity | 83 | Expired |
| US5729536A | Cellular system architectures supporting data services | Electricity | 77 | Expired |
| US5444718A | Retransmission protocol for wireless communications | Electricity | 75 | Expired |
| US6871070B2 | Communication system for providing roaming between an internet protocol multimedia system and a circuit-switched domain | Electricity | 68 | Expired |
| US7031747B2 | Internet protocol multimedia subsystem component providing of packet-switched switching functions to serving mobile switching center feature server | Electricity | 61 | Expired |
| US6963544B1 | System for statistically multiplexing real-time and non-real-time voice and data traffic in a wireless system | Electricity | 56 | Expired |
| US6954654B2 | Provision of services in a communication system including an interworking mobile switching center | Electricity | 54 | Expired |
| US6778558B2 | System and method for incremental redundancy transmission in a communication system | Electricity | 51 | Expired |
| US6975611B1 | Method and device for MAC layer feedback in a packet communication system | Electricity | 47 | Expired |
| US6567375B2 | Method and apparatus for packet size dependent link adaptation for wireless packet | Electricity | 47 | Expired |
| US7006477B1 | Method for interleaving of half rate channels suitable for half duplex operation and statistical multiplexing | Electricity | 47 | Expired |
| US6625133B1 | System and method for link and media access control layer transaction initiation procedures | Electricity | 47 | Expired |
| US6772112B1 | System and method to reduce speech delay and improve voice quality using half speech blocks | Electricity | 37 | Expired |
| US5797099A | Enhanced wireless communication system | Electricity | 35 | Expired |
| US7301938B2 | Method of transferring a packet switched to a circuit switched call | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6557135B1 | Cycling through entirety of error-indicating acknowledgment information | Electricity | 30 | Expired |
| US7353021B2 | Network controller replacement of indication of one or more specific network connections usable by first network component in signaling message for second network component with wild card network connection information | Electricity | 30 | Expired |
| US4321645A | Differential fault current protection of a multiprocessor controlled electric power generating system | Electricity | 27 | Expired |
| US6895057B1 | System and method for wireless communication supporting link adaptation and incremental redundancy | Electricity | 26 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.