Inventor · disambiguated record
John E. Hoffmann
Also filed as: HOFFMANN JOHN · HOFFMANN JOHN E · HOFFMANN JOHN ERICH
63 granted patents·13 pending applications·1,256 citations·filing 1999–2016
99Inventor score
Files withIPR LICENSING INC32INTERDIGITAL TECH CORP11TANTIVY COMM INC6HOFFMANN JOHN E5MOFFATT CHRISTOPHER D5
Top patents by PatentIndex Score
76 records- 0197US6545994B2Access probe acknowledgment including collision detection to avoid oversetting initial power levelTANTIVY COMM INC·Filed 2001·Granted Apr 8, 2003·126 cites·36 claims
- 0296US7145964B2Maximizing data rate by adjusting codes and code rates in CDMA systemIPR LICENSING INC·Filed 2005·Granted Dec 5, 2006·30 cites·11 claims
- 0395US9461698B2Communications device with simultaneous transmit and receive and related methodsHARRIS CORP·Filed 2013·Granted Oct 4, 2016·47 cites·19 claims
- 0495US7006483B2Qualifying available reverse link coding rates from access channel power settingIPR LICENSING INC·Filed 2001·Granted Feb 28, 2006·72 cites·10 claims
- 0594US7929409B2Orthogonal frequency division multiplexing (OFDM) method and apparatus for protecting and authenticating wirelessly transmitted digital informationINTERDIGITAL TECH CORP·Filed 2005·Granted Apr 19, 2011·35 cites·59 claims
- 0694US7103386B2Antenna steering and hidden node recognition for an access pointIPR LICENSING INC·Filed 2004·Granted Sep 5, 2006·80 cites·30 claims
- 0793US7609648B2Antenna steering for an access point based upon control framesIPR LICENSING INC·Filed 2004·Granted Oct 27, 2009·65 cites·36 claims
- 0893US6804223B2Reverse link pilot integrated with block codesIPR LICENSING INC·Filed 2000·Granted Oct 12, 2004·66 cites·7 claims
- 0992US6904079B2Access channel structure for wireless communication systemIPR LICENSING INC·Filed 2001·Granted Jun 7, 2005·39 cites·28 claims
- 1092US6400317B2Method and apparatus for antenna control in a communications networkTANTIVY COMM INC·Filed 2001·Granted Jun 4, 2002·57 cites·33 claims
- 1192US6301291B1Pilot symbol assisted modulation and demodulation in wireless communication systemsTANTIVY COMM INC·Filed 2000·Granted Oct 9, 2001·82 cites·19 claims
- 1291US8160166B2Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble with circuit for measuring frequency response of the communications channelMOFFATT CHRISTOPHER D·Filed 2008·Granted Apr 17, 2012·24 cites·27 claims
- 1390US8189697B2Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and receiver channel estimate circuitMOFFATT CHRISTOPHER D·Filed 2008·Granted May 29, 2012·21 cites·26 claims
- 1490US7502424B2Maximizing data rate by adjusting codes and code ratesIPR LICENSING INC·Filed 2006·Granted Mar 10, 2009·6 cites·10 claims
- 1590US7079523B2Maintenance link using active/standby request channelsIPR LICENSING INC·Filed 2001·Granted Jul 18, 2006·59 cites·10 claims
- 1690US7047046B2Antenna steering for an access point based upon probe signalsIPR LICENSING INC·Filed 2004·Granted May 16, 2006·47 cites·20 claims
- 1790US6917642B1Method for using a non-orthogonal pilot signal with data channel interference cancellationIPR LICENSING INC·Filed 2001·Granted Jul 12, 2005·36 cites·26 claims
- 1889US9369235B2Maximizing data rate by adjusting codes and code ratesINTEL CORP·Filed 2015·Granted Jun 14, 2016·5 cites·20 claims
- 1989US6801564B2Reverse link correlation filter in wireless communication systemsIPR LICENSING INC·Filed 2000·Granted Oct 5, 2004·35 cites·34 claims
- 2088US7415043B2Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital informationINTERDIGITAL TECH CORP·Filed 2005·Granted Aug 19, 2008·14 cites·101 claims
- 2187US8175178B2Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and variable number of OFDM subcarriersMOFFATT CHRISTOPHER D·Filed 2008·Granted May 8, 2012·16 cites·26 claims
- 2286US7212499B2Method and apparatus for antenna steering for WLANIPR LICENSING INC·Filed 2003·Granted May 1, 2007·27 cites·26 claims
- 2385US8472537B2Systems and associated methods to reduce signal field symbol peak-to-average power ratio (PAPR)BROWNING DAVID M·Filed 2010·Granted Jun 25, 2013·11 cites·12 claims
- 2484US7577122B1Method for minimizing receive packet processing for a personal computer implementation of a wireless local area network adapterSCHULTZ RICHARD DOUGLAS·Filed 2003·Granted Aug 18, 2009·44 cites·18 claims
- 2581US7532723B2Tokens/keys for wireless communicationsINTERDIGITAL TECH CORP·Filed 2004·Granted May 12, 2009·29 cites·6 claims
- 2679US7587173B2Antenna steering for an access point based upon spatial diversityINTERDIGITAL TECH CORP·Filed 2004·Granted Sep 8, 2009·25 cites·32 claims
- 2778US8165232B2Low peak-to-average power ratio (PAPR) preamble for orthogonal frequency division multiplexing (OFDM) communicationsMOFFATT CHRISTOPHER D·Filed 2008·Granted Apr 24, 2012·7 cites·22 claims
- 2876US8811367B2Qualifying available reverse link coding rates from access channel power settingNELSON JR GEORGE RODNEY·Filed 2005·Granted Aug 19, 2014·5 cites·12 claims
- 2976US7580674B2Intelligent interface for controlling an adaptive antenna arrayIPR LICENSING INC·Filed 2003·Granted Aug 25, 2009·27 cites·19 claims
- 3076US7428263B2Method for using a non-orthogonal pilot signal with data channel interference cancellationIPR LICENSING INC·Filed 2006·Granted Sep 23, 2008·4 cites·9 claims
- 3172US8509268B2Minimal maintenance link to support sychronizationNELSON JR G RODNEY·Filed 2011·Granted Aug 13, 2013·2 cites·33 claims
- 3272US7483473B2Access channel structure for wireless communication systemIPR LICENSING INC·Filed 2005·Granted Jan 27, 2009·3 cites·14 claims
- 3372US7002902B2Method and system for economical beam forming in a radio communication systemIPR LICENSING INC·Filed 2001·Granted Feb 21, 2006·8 cites·44 claims
- 3471US7613227B2Reverse link correlation filter in wireless communication systemsIPR LICENSING INC·Filed 2007·Granted Nov 3, 2009·3 cites·25 claims
- 3571US7092430B2Method for using a non-orthogonal pilot signal with data channel interference cancellationIPR LICENSING INC·Filed 2005·Granted Aug 15, 2006·3 cites·19 claims
- 3671US6212220B1Method and apparatus for creating non-interfering signals using non-orthogonal techniquesTANTIVY COMM INC·Filed 1999·Granted Apr 3, 2001·36 cites·4 claims
- 3769US8072958B2Reverse link pilot integrated with block codesHOFFMANN JOHN E·Filed 2008·Granted Dec 6, 2011·2 cites·15 claims
- 3869US7447187B2Reverse link pilot integrated with block codesIPR LICENSING INC·Filed 2004·Granted Nov 4, 2008·6 cites·33 claims
- 3968US7916772B2Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitterIPR LICENSING INC·Filed 2007·Granted Mar 29, 2011·2 cites·9 claims
- 4067US7860182B2Receiver hardware reduction for spatially independent signals and associated methodsINTERDIGITAL TECH CORP·Filed 2005·Granted Dec 28, 2010·3 cites·28 claims
- 4167US7414579B2Blind signal separation using correlated antenna elementsINTERDIGITAL TECH CORP·Filed 2005·Granted Aug 19, 2008·3 cites·17 claims
- 4266US8175120B2Minimal maintenance link to support synchronizationNELSON JR G RODNEY·Filed 2001·Granted May 8, 2012·9 cites·33 claims
- 4365US8140004B2Digital satellite radio systems and associated methods for providing indoor receptionHOFFMANN JOHN E·Filed 2005·Granted Mar 20, 2012·1 cites·19 claims
- 4462US8619908B2Wireless ranging system and related methodsHOFFMANN JOHN E·Filed 2009·Granted Dec 31, 2013·2 cites·6 claims
- 4562US7233627B2Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitterIPR LICENSING INC·Filed 2001·Granted Jun 19, 2007·5 cites·16 claims
- 4662US7061427B2Directional antenna physical layer steering for WLANIPR LICENSING INC·Filed 2003·Granted Jun 13, 2006·12 cites·12 claims
- 4761US7620365B2Internet based digital satellite radio system and associated methods for providing indoor receptionINTERDIGITAL TECH CORP·Filed 2005·Granted Nov 17, 2009·2 cites·24 claims
- 4860US9913271B2Qualifying available reverse link coding rates from access channel power settingIPR LICENSING INC·Filed 2016·Granted Mar 6, 2018·0 cites·15 claims
- 4960US9379768B2Communication system with narrowband interference mitigation and related methodsHARRIS CORP·Filed 2014·Granted Jun 28, 2016·1 cites·23 claims
- 5060US9185604B2Qualifying available reverse link coding rates from access channel power settingIPR LICENSING INC·Filed 2014·Granted Nov 10, 2015·0 cites·16 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when John E. Hoffmann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →