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Anja Lehmann

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  • Zurich, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Data masking
    • Patent number 11,194,921
    • Issue date Dec 7, 2021
    • International Business Machines Corporation
    • Christian Cachin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Production of cryptographic signatures
    • Patent number 11,012,243
    • Issue date May 18, 2021
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method for leakage-resilient distributed function evaluation with C...
    • Patent number 10,826,694
    • Issue date Nov 3, 2020
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data masking
    • Patent number 10,754,970
    • Issue date Aug 25, 2020
    • International Business Machines Corporation
    • Christian Cachin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data masking
    • Patent number 10,740,484
    • Issue date Aug 11, 2020
    • International Business Machines Corporation
    • Christian Cachin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data tokenization
    • Patent number 10,616,186
    • Issue date Apr 7, 2020
    • Anja Lehmann
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Traitor tracing for obfuscated credentials
    • Patent number 10,609,039
    • Issue date Mar 31, 2020
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data tokenization
    • Patent number 10,609,000
    • Issue date Mar 31, 2020
    • International Business Machines Corporation
    • Anja Lehmann
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Backup and invalidation of authentication credentials
    • Patent number 10,554,419
    • Issue date Feb 4, 2020
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signature scheme for homomorphic message encoding functions
    • Patent number 10,397,003
    • Issue date Aug 27, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signature scheme for homomorphic message encoding functions
    • Patent number 10,397,002
    • Issue date Aug 27, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Encrypted message communication
    • Patent number 10,356,058
    • Issue date Jul 16, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Production of cryptographic signatures
    • Patent number 10,333,719
    • Issue date Jun 25, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Password-based authentication
    • Patent number 10,250,591
    • Issue date Apr 2, 2019
    • International Business Machines Corporation
    • Jan Leonhard Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Privacy enhanced central data storage
    • Patent number 10,229,285
    • Issue date Mar 12, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Refresh of shared cryptographic keys
    • Patent number 10,181,950
    • Issue date Jan 15, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Distributed single sign-on
    • Patent number 10,171,451
    • Issue date Jan 1, 2019
    • International Business Machines Corporation
    • Jan Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Distributed single sign-on
    • Patent number 10,164,965
    • Issue date Dec 25, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Distributed single sign-on
    • Patent number 10,164,964
    • Issue date Dec 25, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Traitor tracing for obfuscated credentials
    • Patent number 10,104,088
    • Issue date Oct 16, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Server-assisted authentication
    • Patent number 10,091,190
    • Issue date Oct 2, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Privacy-preserving attribute-based credentials
    • Patent number 10,079,686
    • Issue date Sep 18, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Password-based generation and management of secret cryptographic keys
    • Patent number 10,057,060
    • Issue date Aug 21, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Distributed single sign-on
    • Patent number 10,027,477
    • Issue date Jul 17, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Production of cryptographic signatures
    • Patent number 10,015,019
    • Issue date Jul 3, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Production of cryptographic signatures
    • Patent number 10,009,182
    • Issue date Jun 26, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Refresh of shared cryptographic keys
    • Patent number 9,923,717
    • Issue date Mar 20, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Reissue of cryptographic credentials
    • Patent number 9,882,890
    • Issue date Jan 30, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method for deriving a verification token from a credential
    • Patent number 9,871,655
    • Issue date Jan 16, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Password-based authentication in server systems
    • Patent number 9,860,237
    • Issue date Jan 2, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    DATA MASKING
    • Publication number 20200089903
    • Publication date Mar 19, 2020
    • International Business Machines Corporation
    • Christian Cachin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Method for Leakage-Resilient Distributed Function Evaluation with C...
    • Publication number 20190327088
    • Publication date Oct 24, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PRODUCTION OF CRYPTOGRAPHIC SIGNATURES
    • Publication number 20190229929
    • Publication date Jul 25, 2019
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRAITOR TRACING FOR OBFUSCATED CREDENTIALS
    • Publication number 20180343263
    • Publication date Nov 29, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA TOKENIZATION
    • Publication number 20180302382
    • Publication date Oct 18, 2018
    • International Business Machines Corporation
    • Anja Lehmann
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISTRIBUTED SINGLE SIGN-ON
    • Publication number 20180302396
    • Publication date Oct 18, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA TOKENIZATION
    • Publication number 20180302380
    • Publication date Oct 18, 2018
    • International Business Machines Corporation
    • Anja Lehmann
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISTRIBUTED SINGLE SIGN-ON
    • Publication number 20180295122
    • Publication date Oct 11, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DISTRIBUTED SINGLE SIGN-ON
    • Publication number 20180295123
    • Publication date Oct 11, 2018
    • International Business Machines Corporation
    • Jan Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PRODUCTION OF CRYPTOGRAPHIC SIGNATURES
    • Publication number 20180254908
    • Publication date Sep 6, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SIGNATURE SCHEME FOR HOMOMORPHIC MESSAGE ENCODING FUNCTIONS
    • Publication number 20180234253
    • Publication date Aug 16, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SIGNATURE SCHEME FOR HOMOMORPHIC MESSAGE ENCODING FUNCTIONS
    • Publication number 20180234254
    • Publication date Aug 16, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DATA MASKING
    • Publication number 20180218166
    • Publication date Aug 2, 2018
    • International Business Machines Corporation
    • Christian Cachin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DATA MASKING
    • Publication number 20180218164
    • Publication date Aug 2, 2018
    • International Business Machines Corporation
    • Christian Cachin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    REFRESH OF SHARED CRYPTOGRAPHIC KEYS
    • Publication number 20180212763
    • Publication date Jul 26, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRAITOR TRACING FOR OBFUSCATED CREDENTIALS
    • Publication number 20180091520
    • Publication date Mar 29, 2018
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Password-Based Generation and Management of Secret Cryptographic Keys
    • Publication number 20170373846
    • Publication date Dec 28, 2017
    • International Business Machines Corporation
    • Jan CAMENISCH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BACKUP AND INVALIDATION OF AUTHENTICATION CREDENTIALS
    • Publication number 20170317839
    • Publication date Nov 2, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PRIVACY ENHANCED CENTRAL DATA STORAGE
    • Publication number 20170277906
    • Publication date Sep 28, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    PRODUCTION OF CRYPTOGRAPHIC SIGNATURES
    • Publication number 20170272254
    • Publication date Sep 21, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Password-Based Authentication
    • Publication number 20170237725
    • Publication date Aug 17, 2017
    • International Business Machines Corporation
    • Jan Leonhard CAMENISCH
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PRODUCTION OF CRYPTOGRAPHIC SIGNATURES
    • Publication number 20170207920
    • Publication date Jul 20, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DISTRIBUTED SINGLE SIGN-ON
    • Publication number 20170207912
    • Publication date Jul 20, 2017
    • International Business Machines Corporation
    • Jan Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PASSWORD-AUTHENTICATED PUBLIC KEY ENCRYPTION AND DECRYPTION
    • Publication number 20170187528
    • Publication date Jun 29, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SERVER-ASSISTED AUTHENTICATION
    • Publication number 20170171185
    • Publication date Jun 15, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PASSWORD-BASED MANAGEMENT OF ENCRYPTED FILES
    • Publication number 20170155634
    • Publication date Jun 1, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD FOR DERIVING A VERIFICATION TOKEN FROM A CREDENTIAL
    • Publication number 20170149563
    • Publication date May 25, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PASSWORD-BASED AUTHENTICATION IN SERVER SYSTEMS
    • Publication number 20170104745
    • Publication date Apr 13, 2017
    • International Business Machines Corporation
    • Jan Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    REFRESH OF SHARED CRYPTOGRAPHIC KEYS
    • Publication number 20170104588
    • Publication date Apr 13, 2017
    • International Business Machines Corporation
    • Jan L. Camenisch
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MANAGING UNLINKABLE IDENTIFIERS FOR CONTROLLED PRIVACY-FRIENDLY DAT...
    • Publication number 20170104726
    • Publication date Apr 13, 2017
    • Jan L. Camenisch
    • G06 - COMPUTING CALCULATING COUNTING