Inventor · disambiguated record
Liqun Chen
Also filed as: CHEN LIQUN
85 granted patents·26 pending applications·1,629 citations·filing 2000–2025
99Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO42HEWLETT PACKARD ENTPR DEV LP16CHEN LIQUN11HUAWEI TECH CO LTD4MICROSOFT CORP3
Top patents by PatentIndex Score
111 records- 0196US6988250B1Trusted computing platform using a trusted device assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Jan 17, 2006·149 cites·49 claims
- 0295US10389518B2Blockchain hash value recomputationHEWLETT PACKARD ENTPR DEV LP·Filed 2017·Granted Aug 20, 2019·26 cites·20 claims
- 0394US7864958B2Quantum key distribution method and apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jan 4, 2011·40 cites·13 claims
- 0494US7818587B2Data transfer system encrypting data with information unique to a removable data storage itemHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Oct 19, 2010·28 cites·13 claims
- 0594US7302585B1System for providing a trustworthy user interfaceHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Nov 27, 2007·116 cites·36 claims
- 0694US7096204B1Electronic commerce systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Aug 22, 2006·179 cites·20 claims
- 0794US7076655B2Multiple trusted computing environments with verifiable environment identitiesHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jul 11, 2006·117 cites·52 claims
- 0894US7069439B1Computing apparatus and methods using secure authentication arrangementsHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Jun 27, 2006·135 cites·27 claims
- 0993US8464058B1Password-based cryptographic method and apparatusCHEN LIQUN·Filed 2008·Granted Jun 11, 2013·79 cites·26 claims
- 1093US7526785B1Trusted computing platform for restricting use of dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Apr 28, 2009·98 cites·20 claims
- 1190US8499149B2Revocation for direct anonymous attestationCHEN LIQUN·Filed 2009·Granted Jul 30, 2013·26 cites·15 claims
- 1290US7260261B2Systems and methods for enhanced image adaptationMICROSOFT CORP·Filed 2003·Granted Aug 21, 2007·55 cites·49 claims
- 1389US7986786B2Methods and systems for utilizing cryptographic functions of a cryptographic co-processorHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Jul 26, 2011·18 cites·22 claims
- 1489US7444601B2Trusted computing platformHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Oct 28, 2008·21 cites·10 claims
- 1588US7779267B2Method and apparatus for using a secret in a distributed computing systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 17, 2010·54 cites·48 claims
- 1688US7430668B1Protection of the configuration of modules in computing apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Sep 30, 2008·61 cites·16 claims
- 1786US10721062B2Utilizing error correction for secure secret sharingHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted Jul 21, 2020·11 cites·16 claims
- 1884US8670568B2Methods and systems for utilizing cryptographic functions of a cryptographic co-processorIBRAHIM WAEL M·Filed 2011·Granted Mar 11, 2014·7 cites·19 claims
- 1984US7904730B2System for providing a trustworthy user interfaceHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Mar 8, 2011·10 cites·35 claims
- 2084US7290006B2Document representation for scalable structureMICROSOFT CORP·Filed 2003·Granted Oct 30, 2007·55 cites·10 claims
- 2182US9268968B2Credential validationCHEN LIQUN·Filed 2011·Granted Feb 23, 2016·6 cites·20 claims
- 2281US8001016B2Pharmaceutical product packagingHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Aug 16, 2011·10 cites·24 claims
- 2381US7437568B2Apparatus and method for establishing trustHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Oct 14, 2008·41 cites·37 claims
- 2480US8850212B2Extending an integrity measurementPROUDLER GRAEME JOHN·Filed 2011·Granted Sep 30, 2014·6 cites·10 claims
- 2580US7929691B2Use of bilinear mappings in cryptographic applicationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Apr 19, 2011·7 cites·34 claims
- 2678US10715332B2Encryption for transactions in a memory fabricHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted Jul 14, 2020·4 cites·17 claims
- 2778US8732481B2Object with identity based encryptionBALINSKY HELEN Y·Filed 2012·Granted May 20, 2014·6 cites·20 claims
- 2877US10699031B2Secure transactions in a memory fabricHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted Jun 30, 2020·4 cites·20 claims
- 2976US7516321B2Method, system and device for enabling delegation of authority and access control methods based on delegated authorityHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Apr 7, 2009·25 cites·43 claims
- 3076US7275160B2Trusted systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Sep 25, 2007·40 cites·10 claims
- 3175US8689000B2Use of certified secrets in communicationCHEN LIQUN·Filed 2004·Granted Apr 1, 2014·23 cites·15 claims
- 3275US7865876B2Multiple trusted computing environmentsHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jan 4, 2011·21 cites·28 claims
- 3373US9361462B2Associating a signing key with a software component of a computing platformCHEN LIQUN·Filed 2009·Granted Jun 7, 2016·7 cites·23 claims
- 3472US8364729B2Document management system and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2011·Granted Jan 29, 2013·3 cites·18 claims
- 3572US7986778B2Cryptographic method and apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jul 26, 2011·5 cites·34 claims
- 3672US7263191B2Method and apparatus for encrypting dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Aug 28, 2007·17 cites·9 claims
- 3771US9798888B2Data managementHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Oct 24, 2017·3 cites·16 claims
- 3871US8566615B2Document management system and methodBALINSKY HELEN·Filed 2011·Granted Oct 22, 2013·3 cites·17 claims
- 3970US10374807B2Storing and retrieving ciphertext in data storageHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted Aug 6, 2019·3 cites·16 claims
- 4070US7685125B2Proving relationships between dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Mar 23, 2010·5 cites·21 claims
- 4169US8225098B2Direct anonymous attestation using bilinear mapsCHEN LIQUN·Filed 2009·Granted Jul 17, 2012·4 cites·25 claims
- 4268US9628516B2Policy-based data managementHEWLETT PACKARD ENTPR DEV LP·Filed 2015·Granted Apr 18, 2017·2 cites·17 claims
- 4368US8868910B2Elliptic curve cryptographic signatureCHEN LIQUN·Filed 2012·Granted Oct 21, 2014·2 cites·15 claims
- 4468US7693279B2Security method and apparatus using biometric dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Apr 6, 2010·12 cites·36 claims
- 4568US7574596B2Cryptographic method and apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Aug 11, 2009·11 cites·46 claims
- 4667US8930704B2Digital signature method and systemCHEN LIQUN·Filed 2012·Granted Jan 6, 2015·2 cites·17 claims
- 4766US9064129B2Managing dataKOUNGA GINA·Filed 2011·Granted Jun 23, 2015·4 cites·15 claims
- 4866US8341429B2Data transfer deviceBUCKINGHAM JONATHAN PETER·Filed 2008·Granted Dec 25, 2012·4 cites·18 claims
- 4965US11050562B2Target device attestation using a trusted platform moduleHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Jun 29, 2021·1 cites·17 claims
- 5065US7650494B2Method and apparatus for use in relation to verifying an association between two partiesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jan 19, 2010·13 cites·18 claims
Showing the top 50 of 111 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →