Assignee
NORTEL NETWORKS CORP
CA477 patents
Top patents by PatentIndex Score
US5982748ANov 9, 1999
Method and apparatus for controlling admission of connection requests
NORTEL NETWORKS CORP302 citations99
US6711172B1Mar 23, 2004
Network packet routing
NORTEL NETWORKS CORP84 citations98
US6141738AOct 31, 2000
Address translation method and system having a forwarding table data structure
NORTEL NETWORKS CORP201 citations98
US6133789AOct 17, 2000
Method and system for robustly linearizing a radio frequency power amplifier using vector feedback
NORTEL NETWORKS CORP116 citations98
US6108627AAug 22, 2000
Automatic transcription tool
NORTEL NETWORKS CORP318 citations98
US6098065AAug 1, 2000
Associative search engine
NORTEL NETWORKS CORP516 citations98
US6094165AJul 25, 2000
Combined multi-beam and sector coverage antenna array
NORTEL NETWORKS CORP122 citations98
US6084951AJul 4, 2000
Iconized name list
NORTEL NETWORKS CORP245 citations98
US6084694AJul 4, 2000
WDM optical network with passive pass-through at each node
NORTEL NETWORKS CORP259 citations98
US6078815AJun 20, 2000
Method and apparatus for allocating radio channels
NORTEL NETWORKS CORP95 citations98
US6070256AMay 30, 2000
Method and apparatus for self-testing multi-port RAMs
NORTEL NETWORKS CORP103 citations98
US6067180AMay 23, 2000
Equalization, pulse shaping and regeneration of optical signals
NORTEL NETWORKS CORP100 citations98
US6047186AApr 4, 2000
Method and system for solving cellular communications frequency planning problem
NORTEL NETWORKS CORP110 citations98
US6044148AMar 28, 2000
Pre-ring caller identification apparatus and method and call screening therefrom
NORTEL NETWORKS CORP156 citations98
US6040933AMar 21, 2000
Method and apparatus for channel equalization in wavelength division multiplexed systems
NORTEL NETWORKS CORP184 citations98
US6038452AMar 14, 2000
Telecommunication network utilizing a quality of service protocol
NORTEL NETWORKS CORP339 citations98
US6038448AMar 14, 2000
Wireless communication system having hand-off based upon relative pilot signal strengths
NORTEL NETWORKS CORP129 citations98
US6028842AFeb 22, 2000
Dynamic traffic conditioning
NORTEL NETWORKS CORP215 citations98
US6023456AFeb 8, 2000
Dynamic traffic conditioning
NORTEL NETWORKS CORP169 citations98
US5995923ANov 30, 1999
Method and apparatus for improving the voice quality of tandemed vocoders
NORTEL NETWORKS CORP163 citations98
US5991292ANov 23, 1999
Network access in multi-service environment
NORTEL NETWORKS CORP525 citations98
US5991273ANov 23, 1999
Determining SINR in a communications system
NORTEL NETWORKS CORP271 citations98
US5982324ANov 9, 1999
Combining GPS with TOA/TDOA of cellular signals to locate terminal
NORTEL NETWORKS CORP584 citations98
US5977867ANov 2, 1999
Touch pad panel with tactile feedback
NORTEL NETWORKS CORP439 citations98
US6182045B1Jan 30, 2001
Universal access to audio maintenance for IVR systems using internet technology
NORTEL NETWORKS CORP91 citations97
US6167286ADec 26, 2000
Multi-beam antenna system for cellular radio base stations
NORTEL NETWORKS CORP272 citations97
US6122348ASep 19, 2000
System and method for managing incoming communication events using multiple media options
NORTEL NETWORKS CORP172 citations97
US6122364ASep 19, 2000
Internet network call center
NORTEL NETWORKS CORP183 citations97
US6115157ASep 5, 2000
Methods for equalizing WDM systems
NORTEL NETWORKS CORP107 citations97
US6108560AAug 22, 2000
Wireless communications system
NORTEL NETWORKS CORP143 citations97
US6104935AAug 15, 2000
Down link beam forming architecture for heavily overlapped beam configuration
NORTEL NETWORKS CORP154 citations97
US6097722AAug 1, 2000
Bandwidth management processes and systems for asynchronous transfer mode networks using variable virtual paths
NORTEL NETWORKS CORP294 citations97
US6075628AJun 13, 2000
Fault location in optical communication systems
NORTEL NETWORKS CORP114 citations97
US6073025AJun 6, 2000
Base station power control during a soft hand-off
NORTEL NETWORKS CORP124 citations97
US6070083AMay 30, 2000
Mobile communication device and communication network for providing location services
NORTEL NETWORKS CORP92 citations97
US6069895AMay 30, 2000
Distributed route server
NORTEL NETWORKS CORP320 citations97
US6058309AMay 2, 2000
Network directed system selection for cellular and PCS enhanced roaming
NORTEL NETWORKS CORP173 citations97
US6037846AMar 14, 2000
Surface mount EMI gasket filter
NORTEL NETWORKS CORP132 citations97
US6032033AFeb 29, 2000
Preamble based selection diversity in a time division multiple access radio system using digital demodulation
NORTEL NETWORKS CORP156 citations97
US6031904AFeb 29, 2000
Service order mechanism for telephone subscriber
NORTEL NETWORKS CORP304 citations97
US6026286AFeb 15, 2000
RF amplifier, RF mixer and RF receiver
NORTEL NETWORKS CORP405 citations97
US6018708AJan 25, 2000
Method and apparatus for performing speech recognition utilizing a supplementary lexicon of frequently used orthographies
NORTEL NETWORKS CORP219 citations97
US6014436AJan 11, 2000
Telecommunications answering feature method and apparatus
NORTEL NETWORKS CORP143 citations97
US5995063ANov 30, 1999
Antenna structure
NORTEL NETWORKS CORP110 citations97
US5959749ASep 28, 1999
Optical add/drop multiplexer/demultiplexer
NORTEL NETWORKS CORP136 citations97
US5940118AAug 17, 1999
System and method for steering directional microphones
NORTEL NETWORKS CORP219 citations97
US5933771AAug 3, 1999
Low voltage gain controlled mixer
NORTEL NETWORKS CORP90 citations97
US6546494B1Apr 8, 2003
Providing power to a device over a network transmission medium
NORTEL NETWORKS CORP100 citations96
US6252888B1Jun 26, 2001
Method and apparatus providing network communications between devices using frames with multiple formats
NORTEL NETWORKS CORP75 citations96
US6226676B1May 1, 2001
Connection establishment and termination in a mixed protocol network
NORTEL NETWORKS CORP171 citations96
Showing the top 50 of 477 patents by PatentIndex Score.