Nokia Networks Oy
322Patents
1Active
322Granted
43Portfolio score
Filing activity: Feb 9, 1998 → Dec 31, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6603969B1 | Subscriber service profiles in telecommunication system | Electricity | 321 | Expired |
| US7227849B1 | Implementation of multiple simultaneous calls in a mobile communication system | Electricity | 230 | Expired |
| US6298035A | Estimation of two propagation channels in OFDM | Electricity | 187 | Expired |
| US6327479A | Procedure and system for the transmission of a short message in a telecommunication network | Electricity | 184 | Expired |
| US6608841B1 | System and method for achieving robust IP/UDP/RTP header compression in the presence of unreliable networks | Electricity | 160 | Expired |
| US6449473B1 | Security method for transmissions in telecommunication networks | Electricity | 154 | Expired |
| US6760417B1 | Charging method in telecommunications network | Electricity | 147 | Expired |
| US6246871A | Method and apparatus for providing access of messages to multiple recipients in cellular networks | Electricity | 127 | Expired |
| US6571092B2 | Technique for enabling emergency call callback of a terminal without a valid subscriber identity | Electricity | 111 | Expired |
| US6728208B1 | Method for controlling a quality of service in a mobile communications system | Electricity | 108 | Expired |
| US6359730B2 | Amplification of an optical WDM signal | Electricity | 104 | Expired |
| US6356172B1 | Resonator structure embedded in mechanical structure | Electricity | 104 | Expired |
| US6366378B1 | Optical multiplexing and demultiplexing | Electricity | 101 | Expired |
| US6300887A | Efficient handoff procedure for header compression | Electricity | 96 | Expired |
| US6882637B1 | Method and system for transmitting and receiving packets | Electricity | 93 | Expired |
| US6681099B1 | Method to calculate true round trip propagation delay and user equipment location in WCDMA/UTRAN | Physics | 90 | Expired |
| US6292669A | Routing short messages | Electricity | 87 | Expired |
| US7649837B1 | Control of gateway support node selection | Electricity | 85 | Expired |
| US7139324B1 | Closed loop feedback system for improved down link performance | Electricity | 80 | Expired |
| US6434389B1 | Method for selecting cell in cellular network | Electricity | 79 | Expired |
| US6181939A | Method of processing mobile station data | Electricity | 78 | Expired |
| US6473622B1 | Billing mobile terminated short messages | Electricity | 78 | Expired |
| US7023825B1 | Controlling quality of service in a mobile communications system | Electricity | 78 | Expired |
| US6215814A | RAKE receiver | Electricity | 74 | Expired |
| US6680955B1 | Technique for compressing a header field in a data packet | Electricity | 69 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.