Inventor · disambiguated record
Anja Lehmann
Also filed as: LEHMANN ANJA
43 granted patents·66 citations·filing 2013–2019
96Inventor score
Files withIBM43
Top patents by PatentIndex Score
43 records- 0193US9813414B2Password-based management of encrypted filesIBM·Filed 2015·Granted Nov 7, 2017·15 cites·16 claims
- 0292US9667428B2Production of cryptographic signaturesIBM·Filed 2015·Granted May 30, 2017·7 cites·14 claims
- 0388US10027477B2Distributed single sign-onIBM·Filed 2017·Granted Jul 17, 2018·5 cites·15 claims
- 0487US9705872B2Distributed single sign-onIBM·Filed 2015·Granted Jul 11, 2017·5 cites·17 claims
- 0586US10079686B2Privacy-preserving attribute-based credentialsIBM·Filed 2015·Granted Sep 18, 2018·7 cites·24 claims
- 0682US10091190B2Server-assisted authenticationIBM·Filed 2015·Granted Oct 2, 2018·4 cites·16 claims
- 0779US11194921B2Data maskingIBM·Filed 2019·Granted Dec 7, 2021·2 cites·4 claims
- 0877US9537658B2Password-based authenticationIBM·Filed 2015·Granted Jan 3, 2017·2 cites·26 claims
- 0976US10397002B2Signature scheme for homomorphic message encoding functionsIBM·Filed 2017·Granted Aug 27, 2019·2 cites·7 claims
- 1075US9871655B2Method for deriving a verification token from a credentialIBM·Filed 2017·Granted Jan 16, 2018·2 cites·18 claims
- 1175US9596086B2Password-based authenticationIBM·Filed 2015·Granted Mar 14, 2017·2 cites·10 claims
- 1274US10229285B2Privacy enhanced central data storageIBM·Filed 2016·Granted Mar 12, 2019·2 cites·17 claims
- 1373US10104088B2Traitor tracing for obfuscated credentialsIBM·Filed 2016·Granted Oct 16, 2018·2 cites·15 claims
- 1473US9847877B2Password-based generation and management of secret cryptographic keysIBM·Filed 2015·Granted Dec 19, 2017·2 cites·15 claims
- 1573US9755840B2Backup and invalidation of authentication credentialsIBM·Filed 2015·Granted Sep 5, 2017·2 cites·16 claims
- 1670US10397003B2Signature scheme for homomorphic message encoding functionsIBM·Filed 2017·Granted Aug 27, 2019·1 cites·13 claims
- 1768US10554419B2Backup and invalidation of authentication credentialsIBM·Filed 2017·Granted Feb 4, 2020·1 cites·20 claims
- 1866US9923717B2Refresh of shared cryptographic keysIBM·Filed 2015·Granted Mar 20, 2018·1 cites·19 claims
- 1964US11012243B2Production of cryptographic signaturesIBM·Filed 2019·Granted May 18, 2021·0 cites·20 claims
- 2064US9755832B2Password-authenticated public key encryption and decryptionIBM·Filed 2015·Granted Sep 5, 2017·1 cites·17 claims
- 2164US9635012B2Method for deriving a verification token from a credentialIBM·Filed 2014·Granted Apr 25, 2017·1 cites·14 claims
- 2261US10333719B2Production of cryptographic signaturesIBM·Filed 2018·Granted Jun 25, 2019·0 cites·20 claims
- 2359US10171451B2Distributed single sign-onIBM·Filed 2018·Granted Jan 1, 2019·0 cites·1 claims
- 2459US10164964B2Distributed single sign-onIBM·Filed 2018·Granted Dec 25, 2018·0 cites·2 claims
- 2559US10164965B2Distributed single sign-onIBM·Filed 2018·Granted Dec 25, 2018·0 cites·2 claims
- 2659US10015019B2Production of cryptographic signaturesIBM·Filed 2017·Granted Jul 3, 2018·0 cites·20 claims
- 2759US10009182B2Production of cryptographic signaturesIBM·Filed 2017·Granted Jun 26, 2018·0 cites·14 claims
- 2855US10754970B2Data maskingIBM·Filed 2017·Granted Aug 25, 2020·0 cites·9 claims
- 2955US9755839B2Production of cryptographic signaturesIBM·Filed 2015·Granted Sep 5, 2017·0 cites·7 claims
- 3054US10740484B2Data maskingIBM·Filed 2017·Granted Aug 11, 2020·0 cites·8 claims
- 3153US10609000B2Data tokenizationIBM·Filed 2017·Granted Mar 31, 2020·0 cites·17 claims
- 3253US9781078B2Managing unlinkable identifiers for controlled privacy-friendly data exchangeIBM·Filed 2016·Granted Oct 3, 2017·0 cites·7 claims
- 3352US10616186B2Data tokenizationIBM·Filed 2017·Granted Apr 7, 2020·0 cites·8 claims
- 3452US10609039B2Traitor tracing for obfuscated credentialsIBM·Filed 2018·Granted Mar 31, 2020·0 cites·14 claims
- 3552US10181950B2Refresh of shared cryptographic keysIBM·Filed 2018·Granted Jan 15, 2019·0 cites·9 claims
- 3652US9385872B2Reissue of cryptographic credentialsIBM·Filed 2013·Granted Jul 5, 2016·0 cites·11 claims
- 3750US10057060B2Password-based generation and management of secret cryptographic keysIBM·Filed 2017·Granted Aug 21, 2018·0 cites·20 claims
- 3850US9882890B2Reissue of cryptographic credentialsIBM·Filed 2016·Granted Jan 30, 2018·0 cites·17 claims
- 3950US9548970B2Managing unlinkable identifiers for controlled privacy-friendly data exchangeIBM·Filed 2015·Granted Jan 17, 2017·0 cites·13 claims
- 4047US10826694B2Method for leakage-resilient distributed function evaluation with CPU-enclavesIBM·Filed 2018·Granted Nov 3, 2020·0 cites·16 claims
- 4142US10356058B2Encrypted message communicationIBM·Filed 2015·Granted Jul 16, 2019·0 cites·22 claims
- 4239US10250591B2Password-based authenticationIBM·Filed 2016·Granted Apr 2, 2019·0 cites·22 claims
- 4337US9860237B2Password-based authentication in server systemsIBM·Filed 2015·Granted Jan 2, 2018·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →