Inventor · disambiguated record
Quentin Liu
Also filed as: LIU QUENTIN · LIU QUENTIN C
18 granted patents·1,018 citations·filing 1998–2021
94Inventor score
Top patents by PatentIndex Score
18 records- 0196US10366250B1Systems and methods for protecting personally identifiable information during electronic data exchangesSYMANTEC CORP·Filed 2017·Granted Jul 30, 2019·29 cites·28 claims
- 0296US6079020AMethod and apparatus for managing a virtual private networkVPNET TECHNOLOGIES INC·Filed 1998·Granted Jun 20, 2000·524 cites·22 claims
- 0395US9338164B1Two-way authentication using two-dimensional codesSYMANTEC CORP·Filed 2014·Granted May 10, 2016·39 cites·18 claims
- 0494US9979725B1Two-way authentication using two-dimensional codesSYMANTEC CORP·Filed 2014·Granted May 22, 2018·31 cites·19 claims
- 0594US6226751B1Method and apparatus for configuring a virtual private networkVPNET TECHNOLOGIES INC·Filed 1998·Granted May 1, 2001·359 cites·27 claims
- 0687US9055059B1Combining multiple digital certificatesSYMANTEC CORP·Filed 2014·Granted Jun 9, 2015·13 cites·19 claims
- 0781US9830458B2Discovery and classification of enterprise assets via host characteristicsSYMANTEC CORP·Filed 2014·Granted Nov 28, 2017·7 cites·14 claims
- 0878US8375204B2Method and system to combine multiple digital certificates using the subject alternative name extensionSYMANTEC CORP·Filed 2009·Granted Feb 12, 2013·7 cites·16 claims
- 0973US10404681B2Accelerating OCSP responses via content delivery network collaborationDIGICERT INC·Filed 2017·Granted Sep 3, 2019·1 cites·15 claims
- 1071US11924193B2Accelerating OCSP responses via content delivery network collaborationDIGICERT INC·Filed 2021·Granted Mar 5, 2024·0 cites·20 claims
- 1171US8364954B2Method and system for provisioning multiple digital certificatesSYMANTEC CORP·Filed 2009·Granted Jan 29, 2013·4 cites·22 claims
- 1267US9887982B2Accelerating OCSP responses via content delivery network collaborationDIGICERT INC·Filed 2013·Granted Feb 6, 2018·1 cites·21 claims
- 1363US11212274B2Accelerating OCSP responses via content delivery network collaborationDIGICERT INC·Filed 2019·Granted Dec 28, 2021·0 cites·20 claims
- 1463US9100191B2Combining multiple digital certificatesSYMANTEC CORP·Filed 2013·Granted Aug 4, 2015·1 cites·20 claims
- 1561US10110592B2Reducing latency for certificate validity messages using private content delivery networksDIGICERT INC·Filed 2013·Granted Oct 23, 2018·1 cites·20 claims
- 1652US9794248B2Alternative approach to deployment and payment for digital certificatesLIU QUENTIN·Filed 2009·Granted Oct 17, 2017·0 cites·22 claims
- 1751US9680819B2Method and system for co-termination of digital certificatesLIU QUENTIN·Filed 2009·Granted Jun 13, 2017·1 cites·16 claims
- 1848US11251974B2Provisioning multiple digital certificatesDIGICERT INC·Filed 2013·Granted Feb 15, 2022·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →