Assignee
NORTEL NETWORKS CORP
CA·477 granted patents·3 pending applications·37,615 citations·filing 1994–2007
Top patents by PatentIndex Score
480 records- 0198US6084694AWDM optical network with passive pass-through at each nodeNORTEL NETWORKS CORP·Filed 1999·Granted Jul 4, 2000·259 cites·19 claims
- 0298US5991292ANetwork access in multi-service environmentNORTEL NETWORKS CORP·Filed 1997·Granted Nov 23, 1999·525 cites·29 claims
- 0398US5982324ACombining GPS with TOA/TDOA of cellular signals to locate terminalNORTEL NETWORKS CORP·Filed 1998·Granted Nov 9, 1999·584 cites·17 claims
- 0497US6167286AMulti-beam antenna system for cellular radio base stationsNORTEL NETWORKS CORP·Filed 1997·Granted Dec 26, 2000·272 cites·30 claims
- 0597US6104611APackaging system for thermally controlling the temperature of electronic equipmentNORTEL NETWORKS CORP·Filed 1996·Granted Aug 15, 2000·301 cites·15 claims
- 0697US6040933AMethod and apparatus for channel equalization in wavelength division multiplexed systemsNORTEL NETWORKS CORP·Filed 1997·Granted Mar 21, 2000·184 cites·13 claims
- 0797US6026286ARF amplifier, RF mixer and RF receiverNORTEL NETWORKS CORP·Filed 1996·Granted Feb 15, 2000·405 cites·21 claims
- 0896US6037846ASurface mount EMI gasket filterNORTEL NETWORKS CORP·Filed 1998·Granted Mar 14, 2000·132 cites·18 claims
- 0996US5977867ATouch pad panel with tactile feedbackNORTEL NETWORKS CORP·Filed 1998·Granted Nov 2, 1999·439 cites·8 claims
- 1096US5940118ASystem and method for steering directional microphonesNORTEL NETWORKS CORP·Filed 1997·Granted Aug 17, 1999·219 cites·28 claims
- 1195US6185565B1System and method for communication session disposition responsive to events in a telecommunications network and the internetNORTEL NETWORKS CORP·Filed 1997·Granted Feb 6, 2001·320 cites·31 claims
- 1295US6133789AMethod and system for robustly linearizing a radio frequency power amplifier using vector feedbackNORTEL NETWORKS CORP·Filed 1997·Granted Oct 17, 2000·116 cites·28 claims
- 1395US6108627AAutomatic transcription toolNORTEL NETWORKS CORP·Filed 1997·Granted Aug 22, 2000·318 cites·23 claims
- 1495US6038452ATelecommunication network utilizing a quality of service protocolNORTEL NETWORKS CORP·Filed 1997·Granted Mar 14, 2000·339 cites·40 claims
- 1595US5982748AMethod and apparatus for controlling admission of connection requestsNORTEL NETWORKS CORP·Filed 1996·Granted Nov 9, 1999·302 cites·25 claims
- 1694US6115157AMethods for equalizing WDM systemsNORTEL NETWORKS CORP·Filed 1997·Granted Sep 5, 2000·107 cites·19 claims
- 1794US6084951AIconized name listNORTEL NETWORKS CORP·Filed 1997·Granted Jul 4, 2000·245 cites·30 claims
- 1894US6037937ANavigation tool for graphical user interfaceNORTEL NETWORKS CORP·Filed 1997·Granted Mar 14, 2000·400 cites·24 claims
- 1994US6018711ACommunication system user interface with animated representation of time remaining for input to recognizerNORTEL NETWORKS CORP·Filed 1998·Granted Jan 25, 2000·306 cites·29 claims
- 2094US5959749AOptical add/drop multiplexer/demultiplexerNORTEL NETWORKS CORP·Filed 1998·Granted Sep 28, 1999·136 cites·23 claims
- 2193US6144671ACall redirection methods in a packet based communications networkNORTEL NETWORKS CORP·Filed 1997·Granted Nov 7, 2000·380 cites·33 claims
- 2293US6104935ADown link beam forming architecture for heavily overlapped beam configurationNORTEL NETWORKS CORP·Filed 1997·Granted Aug 15, 2000·154 cites·32 claims
- 2393US6097733ASystem and associated method of operation for managing bandwidth in a wireless communication system supporting multimedia communicationsNORTEL NETWORKS CORP·Filed 1997·Granted Aug 1, 2000·342 cites·36 claims
- 2493US6070256AMethod and apparatus for self-testing multi-port RAMsNORTEL NETWORKS CORP·Filed 1998·Granted May 30, 2000·103 cites·7 claims
- 2593US6064501AMethod of determining optical amplifier failuresNORTEL NETWORKS CORP·Filed 1997·Granted May 16, 2000·206 cites·36 claims
- 2693US6061650AMethod and apparatus for transparently providing mobile network functionalityNORTEL NETWORKS CORP·Filed 1996·Granted May 9, 2000·309 cites·26 claims
- 2793US6058309ANetwork directed system selection for cellular and PCS enhanced roamingNORTEL NETWORKS CORP·Filed 1996·Granted May 2, 2000·173 cites·6 claims
- 2893US6052683AAddress lookup in packet data communication networksNORTEL NETWORKS CORP·Filed 1998·Granted Apr 18, 2000·335 cites·26 claims
- 2993US6032033APreamble based selection diversity in a time division multiple access radio system using digital demodulationNORTEL NETWORKS CORP·Filed 1996·Granted Feb 29, 2000·156 cites·30 claims
- 3093US6031904AService order mechanism for telephone subscriberNORTEL NETWORKS CORP·Filed 1997·Granted Feb 29, 2000·304 cites·15 claims
- 3193US6026375AMethod and apparatus for processing orders from customers in a mobile environmentNORTEL NETWORKS CORP·Filed 1997·Granted Feb 15, 2000·1.2k cites·63 claims
- 3293US5995368AAir flow distribution device for shelf-based circuit cardsNORTEL NETWORKS CORP·Filed 1998·Granted Nov 30, 1999·145 cites·8 claims
- 3392US6094084ANarrowband LC folded cascode structureNORTEL NETWORKS CORP·Filed 1998·Granted Jul 25, 2000·157 cites·20 claims
- 3492US6091808AMethods of and apparatus for providing telephone call control and informationNORTEL NETWORKS CORP·Filed 1996·Granted Jul 18, 2000·304 cites·14 claims
- 3592US6085094AMethod for optimizing spectral re-useNORTEL NETWORKS CORP·Filed 1998·Granted Jul 4, 2000·250 cites·12 claims
- 3692US6073031ADesktop docking station for use with a wireless telephone handsetNORTEL NETWORKS CORP·Filed 1997·Granted Jun 6, 2000·329 cites·22 claims
- 3792US6069895ADistributed route serverNORTEL NETWORKS CORP·Filed 1997·Granted May 30, 2000·320 cites·19 claims
- 3892US6069871ATraffic allocation and dynamic load balancing in a multiple carrier cellular wireless communication systemNORTEL NETWORKS CORP·Filed 1998·Granted May 30, 2000·256 cites·47 claims
- 3992US6018708AMethod and apparatus for performing speech recognition utilizing a supplementary lexicon of frequently used orthographiesNORTEL NETWORKS CORP·Filed 1997·Granted Jan 25, 2000·219 cites·47 claims
- 4091US6775479B2WDM optical network with passive pass-through at each nodeNORTEL NETWORKS CORP·Filed 2002·Granted Aug 10, 2004·19 cites·8 claims
- 4191US6101012AOptical add/drop multiplexer/demultiplexerNORTEL NETWORKS CORP·Filed 1999·Granted Aug 8, 2000·91 cites·16 claims
- 4291US6098065AAssociative search engineNORTEL NETWORKS CORP·Filed 1997·Granted Aug 1, 2000·516 cites·1 claims
- 4391US6097722ABandwidth management processes and systems for asynchronous transfer mode networks using variable virtual pathsNORTEL NETWORKS CORP·Filed 1996·Granted Aug 1, 2000·294 cites·90 claims
- 4491US6094165ACombined multi-beam and sector coverage antenna arrayNORTEL NETWORKS CORP·Filed 1997·Granted Jul 25, 2000·122 cites·18 claims
- 4591US6088588AMethod and wireless terminal for monitoring communications and providing network with terminal operation informationNORTEL NETWORKS CORP·Filed 1997·Granted Jul 11, 2000·201 cites·8 claims
- 4691US6038435AVariable step-size AGCNORTEL NETWORKS CORP·Filed 1997·Granted Mar 14, 2000·89 cites·15 claims
- 4791US6016124ADigital beamforming in a satellite communication systemNORTEL NETWORKS CORP·Filed 1998·Granted Jan 18, 2000·139 cites·3 claims
- 4891US6012030AManagement of speech and audio prompts in multimodal interfacesNORTEL NETWORKS CORP·Filed 1998·Granted Jan 4, 2000·281 cites·35 claims
- 4991US6006111ASelf-balancing matrix amplifierNORTEL NETWORKS CORP·Filed 1997·Granted Dec 21, 1999·110 cites·20 claims
- 5091US5991273ADetermining SINR in a communications systemNORTEL NETWORKS CORP·Filed 1997·Granted Nov 23, 1999·271 cites·20 claims
Showing the top 50 of 480 patent records by PatentIndex Score.
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