Inventor
CHEN LIQUN
GB88 patents
⚠️ This page may combine multiple inventors who share the name “CHEN LIQUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
27 patentsUS7779267B2Aug 17, 2010
Method and apparatus for using a secret in a distributed computing system
HEWLETT PACKARD DEVELOPMENT CO54 citations98
US7526785B1Apr 28, 2009
Trusted computing platform for restricting use of data
HEWLETT PACKARD DEVELOPMENT CO98 citations98
US7430668B1Sep 30, 2008
Protection of the configuration of modules in computing apparatus
HEWLETT PACKARD DEVELOPMENT CO61 citations98
US7302585B1Nov 27, 2007
System for providing a trustworthy user interface
HEWLETT PACKARD DEVELOPMENT CO116 citations98
US7076655B2Jul 11, 2006
Multiple trusted computing environments with verifiable environment identities
HEWLETT PACKARD DEVELOPMENT CO117 citations98
US6988250B1Jan 17, 2006
Trusted computing platform using a trusted device assembly
HEWLETT PACKARD DEVELOPMENT CO149 citations98
US7096204B1Aug 22, 2006
Electronic commerce system
HEWLETT PACKARD DEVELOPMENT CO179 citations97
US7069439B1Jun 27, 2006
Computing apparatus and methods using secure authentication arrangements
HEWLETT PACKARD DEVELOPMENT CO135 citations97
US7986786B2Jul 26, 2011
Methods and systems for utilizing cryptographic functions of a cryptographic co-processor
HEWLETT PACKARD DEVELOPMENT CO18 citations92
US7864958B2Jan 4, 2011
Quantum key distribution method and apparatus
HEWLETT PACKARD DEVELOPMENT CO40 citations92
US7865876B2Jan 4, 2011
Multiple trusted computing environments
HEWLETT PACKARD DEVELOPMENT CO21 citations92
US7444601B2Oct 28, 2008
Trusted computing platform
HEWLETT PACKARD DEVELOPMENT CO21 citations92
US7275160B2Sep 25, 2007
Trusted system
HEWLETT PACKARD DEVELOPMENT CO40 citations92
US7516321B2Apr 7, 2009
Method, system and device for enabling delegation of authority and access control methods based on delegated authority
HEWLETT PACKARD DEVELOPMENT CO25 citations91
US7818587B2Oct 19, 2010
Data transfer system encrypting data with information unique to a removable data storage item
HEWLETT PACKARD DEVELOPMENT CO28 citations90
US7437568B2Oct 14, 2008
Apparatus and method for establishing trust
HEWLETT PACKARD DEVELOPMENT CO41 citations89
US8001016B2Aug 16, 2011
Pharmaceutical product packaging
HEWLETT PACKARD DEVELOPMENT CO10 citations84
US7904730B2Mar 8, 2011
System for providing a trustworthy user interface
HEWLETT PACKARD DEVELOPMENT CO10 citations84
US7693279B2Apr 6, 2010
Security method and apparatus using biometric data
HEWLETT PACKARD DEVELOPMENT CO12 citations84
US7574596B2Aug 11, 2009
Cryptographic method and apparatus
HEWLETT PACKARD DEVELOPMENT CO11 citations84
US7380138B2May 27, 2008
Cryptographic method and apparatus
HEWLETT PACKARD DEVELOPMENT CO9 citations84
US7263191B2Aug 28, 2007
Method and apparatus for encrypting data
HEWLETT PACKARD DEVELOPMENT CO17 citations84
US7929691B2Apr 19, 2011
Use of bilinear mappings in cryptographic applications
HEWLETT PACKARD DEVELOPMENT CO7 citations83
US7650498B2Jan 19, 2010
Secure data provision method and apparatus and data recovery method and system
HEWLETT PACKARD DEVELOPMENT CO8 citations83
US7650494B2Jan 19, 2010
Method and apparatus for use in relation to verifying an association between two parties
HEWLETT PACKARD DEVELOPMENT CO13 citations81
US7397917B2Jul 8, 2008
Method and apparatus for generating a cryptographic key
HEWLETT PACKARD DEVELOPMENT CO10 citations81
US8364729B2Jan 29, 2013
Document management system and method
HEWLETT PACKARD DEVELOPMENT CO3 citations63
CHEN LIQUN
8 patentsUS8464058B1Jun 11, 2013
Password-based cryptographic method and apparatus
CHEN LIQUN79 citations94
US8499149B2Jul 30, 2013
Revocation for direct anonymous attestation
CHEN LIQUN26 citations92
US8689000B2Apr 1, 2014
Use of certified secrets in communication
CHEN LIQUN23 citations91
US9268968B2Feb 23, 2016
Credential validation
CHEN LIQUN6 citations84
US9361462B2Jun 7, 2016
Associating a signing key with a software component of a computing platform
CHEN LIQUN7 citations82
US8930704B2Jan 6, 2015
Digital signature method and system
CHEN LIQUN2 citations63
US8868910B2Oct 21, 2014
Elliptic curve cryptographic signature
CHEN LIQUN2 citations63
US8225098B2Jul 17, 2012
Direct anonymous attestation using bilinear maps
CHEN LIQUN4 citations63
HEWLETT PACKARD ENTPR DEV LP
7 patentsUS10389518B2Aug 20, 2019
Blockchain hash value recomputation
HEWLETT PACKARD ENTPR DEV LP26 citations94
US10721062B2Jul 21, 2020
Utilizing error correction for secure secret sharing
HEWLETT PACKARD ENTPR DEV LP11 citations84
US10715332B2Jul 14, 2020
Encryption for transactions in a memory fabric
HEWLETT PACKARD ENTPR DEV LP4 citations73
US10699031B2Jun 30, 2020
Secure transactions in a memory fabric
HEWLETT PACKARD ENTPR DEV LP4 citations72
US9628516B2Apr 18, 2017
Policy-based data management
HEWLETT PACKARD ENTPR DEV LP2 citations67
US10374807B2Aug 6, 2019
Storing and retrieving ciphertext in data storage
HEWLETT PACKARD ENTPR DEV LP3 citations65
US11070356B2Jul 20, 2021
Text encryption
HEWLETT PACKARD ENTPR DEV LP0 citations63
MICROSOFT CORP
2 patentsIBRAHIM WAEL M
1 patentPROUDLER GRAEME JOHN
1 patentCULLGEN SHANGHAI INC
1 patentHEWLETT PACKARD DEVELOPMENT CO LP
1 patentBALINSKY HELEN Y
1 patentBALINSKY HELEN
1 patentShowing the top 50 of 88 patents by PatentIndex Score.