Inventor · disambiguated record
Richard P. Ejzak
Also filed as: EJZAK RICHARD · EJZAK RICHARD P · EJZAK RICHARD PAUL
51 granted patents·4 pending applications·3,167 citations·filing 1980–2016
99Inventor score
Files withLUCENT TECHNOLOGIES INC30ALCATEL LUCENT USA INC10EJZAK RICHARD P6SUNDSTRAND CORP2ALCATEL LUCENT1
Top patents by PatentIndex Score
55 records- 0198US4403292AControl for an electrical generating and distribution system, and method of operationSUNDSTRAND CORP·Filed 1980·Granted Sep 6, 1983·134 cites·9 claims
- 0297US6069883ACode division multiple access system providing enhanced load and interference based demand assignment service to usersLUCENT TECHNOLOGIES INC·Filed 1997·Granted May 30, 2000·270 cites·31 claims
- 0396US7006477B1Method for interleaving of half rate channels suitable for half duplex operation and statistical multiplexingLUCENT TECHNOLOGIES INC·Filed 2000·Granted Feb 28, 2006·92 cites·4 claims
- 0496US6996087B2Communication system including an interworking mobile switching center for call terminationLUCENT TECHNOLOGIES INC·Filed 2001·Granted Feb 7, 2006·150 cites·16 claims
- 0596US6871070B2Communication system for providing roaming between an internet protocol multimedia system and a circuit-switched domainLUCENT TECHNOLOGIES INC·Filed 2001·Granted Mar 22, 2005·131 cites·13 claims
- 0696US6721565B1Handover of wireless calls between systems supporting circuit and packet call modelsLUCENT TECHNOLOGIES INC·Filed 2000·Granted Apr 13, 2004·202 cites·16 claims
- 0795US6963544B1System for statistically multiplexing real-time and non-real-time voice and data traffic in a wireless systemLUCENT TECHNOLOGIES INC·Filed 2000·Granted Nov 8, 2005·102 cites·20 claims
- 0894US7031747B2Internet protocol multimedia subsystem component providing of packet-switched switching functions to serving mobile switching center feature serverLUCENT TECHNOLOGIES INC·Filed 2002·Granted Apr 18, 2006·118 cites·16 claims
- 0994US6954654B2Provision of services in a communication system including an interworking mobile switching centerLUCENT TECHNOLOGIES INC·Filed 2001·Granted Oct 11, 2005·109 cites·11 claims
- 1093US6975611B1Method and device for MAC layer feedback in a packet communication systemLUCENT TECHNOLOGIES INC·Filed 2000·Granted Dec 13, 2005·70 cites·40 claims
- 1193US6772112B1System and method to reduce speech delay and improve voice quality using half speech blocksLUCENT TECHNOLOGIES INC·Filed 2000·Granted Aug 3, 2004·63 cites·12 claims
- 1293US6567375B2Method and apparatus for packet size dependent link adaptation for wireless packetLUCENT TECHNOLOGIES INC·Filed 2000·Granted May 20, 2003·95 cites·20 claims
- 1393US6108374ASystem and method for measuring channel quality informationLUCENT TECHNOLOGIES INC·Filed 1997·Granted Aug 22, 2000·285 cites·39 claims
- 1492US7885234B2Method and system for providing voice call continuityALCATEL LUCENT USA INC·Filed 2007·Granted Feb 8, 2011·23 cites·13 claims
- 1591US6215827B1System and method for measuring channel quality information in a communication systemLUCENT TECHNOLOGIES INC·Filed 1998·Granted Apr 10, 2001·165 cites·14 claims
- 1690US7680481B2Method and apparatus for linking charging recordsALCATEL LUCENT USA INC·Filed 2006·Granted Mar 16, 2010·31 cites·15 claims
- 1790US6557135B1Cycling through entirety of error-indicating acknowledgment informationLUCENT TECHNOLOGIES INC·Filed 2000·Granted Apr 29, 2003·68 cites·51 claims
- 1887US7301938B2Method of transferring a packet switched to a circuit switched callLUCENT TECHNOLOGIES INC·Filed 2004·Granted Nov 27, 2007·46 cites·21 claims
- 1986US6389066B1System and method for adaptive modification of modulated and coded schemes in a communication systemLUCENT TECHNOLOGIES INC·Filed 1997·Granted May 14, 2002·159 cites·13 claims
- 2084US7353021B2Network 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 informationLUCENT TECHNOLOGIES INC·Filed 2002·Granted Apr 1, 2008·45 cites·18 claims
- 2184US5729536ACellular system architectures supporting data servicesLUCENT TECHNOLOGIES INC·Filed 1996·Granted Mar 17, 1998·113 cites·33 claims
- 2283US7068619B2Radio link control with limited retransmissions for streaming servicesLUCENT TECHNOLOGIES INC·Filed 2001·Granted Jun 27, 2006·36 cites·23 claims
- 2383US5444718ARetransmission protocol for wireless communicationsAT & T CORP·Filed 1993·Granted Aug 22, 1995·111 cites·7 claims
- 2482US7668183B2Flexible SIP profile for mixed networksALCATEL LUCENT USA INC·Filed 2006·Granted Feb 23, 2010·13 cites·20 claims
- 2581US7586857B2Fast network SIP/SDP procedures for conference operations upon request from end user with optimization of network resourcesALCATEL LUCENT USA INC·Filed 2003·Granted Sep 8, 2009·33 cites·18 claims
- 2681US4321645ADifferential fault current protection of a multiprocessor controlled electric power generating systemSUNDSTRAND CORP·Filed 1980·Granted Mar 23, 1982·41 cites·29 claims
- 2780US8139541B2Method and system for bypassing media gateways in wireless networksEJZAK RICHARD P·Filed 2006·Granted Mar 20, 2012·12 cites·22 claims
- 2875US7366514B2Method of handing off a packet switched to a circuit switched callLUCENT TECHNOLOGIES INC·Filed 2004·Granted Apr 29, 2008·19 cites·21 claims
- 2973US7978683B2Method of transferring call transition messages between network controllers of different radio technologiesALCATEL LUCENT USA INC·Filed 2004·Granted Jul 12, 2011·18 cites·37 claims
- 3073US6778558B2System and method for incremental redundancy transmission in a communication systemLUCENT TECHNOLOGIES INC·Filed 1999·Granted Aug 17, 2004·82 cites·18 claims
- 3170US9942926B2System, method and computer readable medium for bearer activation in a core network for wireless devicesALCATEL LUCENT·Filed 2016·Granted Apr 10, 2018·1 cites·5 claims
- 3269US7443879B2Communication between user agents through employment of codec format unsupported by one of the user agentsLUCENT TECHNOLOGIES INC·Filed 2002·Granted Oct 28, 2008·14 cites·16 claims
- 3369US7295843B2Server component network resource allocation for handoff between mobile switching center packet-switched portion and mobile switching center circuit-switched portionLUCENT TECHNOLOGIES INC·Filed 2003·Granted Nov 13, 2007·13 cites·20 claims
- 3468US6625133B1System and method for link and media access control layer transaction initiation proceduresLUCENT TECHNOLOGIES INC·Filed 1999·Granted Sep 23, 2003·62 cites·64 claims
- 3567US6856625B1Apparatus and method of interleaving data to reduce error rateLUCENT TECHNOLOGIES INC·Filed 2000·Granted Feb 15, 2005·15 cites·11 claims
- 3666US5550848ASignaling protocol for a noisy communications channelLUCENT TECHNOLOGIES INC·Filed 1994·Granted Aug 27, 1996·47 cites·5 claims
- 3765US5797099AEnhanced wireless communication systemLUCENT TECHNOLOGIES INC·Filed 1996·Granted Aug 18, 1998·51 cites·8 claims
- 3861US8520687B2Method and apparatus for internet protocol multimedia bearer path optimization through a succession of border gatewaysEJZAK RICHARD PAUL·Filed 2007·Granted Aug 27, 2013·3 cites·20 claims
- 3961US6895057B1System and method for wireless communication supporting link adaptation and incremental redundancyLUCENT TECHNOLOGIES INC·Filed 1999·Granted May 17, 2005·45 cites·37 claims
- 4058US7639669B2Controlling communication path reservations in a packet network with non-homogeneous nodesALCATEL LUCENT USA INC·Filed 2005·Granted Dec 29, 2009·1 cites·20 claims
- 4156US7535889B2Server component redirection of new media path portion between packet-switched and circuit-switched portions of mobile switching centerALCATEL LUCENT USA INC·Filed 2003·Granted May 19, 2009·5 cites·35 claims
- 4256US7499403B2Control component removal of one or more encoded frames from isochronous telecommunication stream based on one or more code rates of the one or more encoded frames to create non-isochronous telecommunications streamALCATEL LUCENT USA INC·Filed 2003·Granted Mar 3, 2009·3 cites·23 claims
- 4354US5606595AEqual access to inter-exchange carriers in a mobile wireless packet data communication systemLUCENT TECHNOLOGIES INC·Filed 1994·Granted Feb 25, 1997·40 cites·23 claims
- 4453US9392437B2Method and system for IP multimedia bearer path optimization through a succession of border gatewaysEJZAK RICHARD P·Filed 2008·Granted Jul 12, 2016·0 cites·16 claims
- 4553US6611515B1System and method for link and media access control layer transaction completion proceduresLUCENT TECHNOLOGIES INC·Filed 1999·Granted Aug 26, 2003·31 cites·39 claims
- 4652US8588791B2Method for providing IMS support for enterprise PBX usersEJZAK RICHARD P·Filed 2008·Granted Nov 19, 2013·0 cites·8 claims
- 4749US2014064217A1Method for providing ims support for enterprise pbx usersEJZAK RICHARD P·Filed 2013·Application pending·0 cites
- 4848US9357373B2Method and system for IP multimedia bearer path optimization through a succession of border gatewaysEJZAK RICHARD P·Filed 2011·Granted May 31, 2016·0 cites·9 claims
- 4948US2010215018A1Cs handover from ims femto to macroALCATEL LUCENT USA INC·Filed 2009·Application pending·0 cites
- 5046US8948735B2Mobile termination roaming forwarding for mobile devicesTIAN LU·Filed 2012·Granted Feb 3, 2015·0 cites·12 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →