Stephan Krenn

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Adliswil, CH

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Patents Grantslast 30 patents

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
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
Password-based generation and management of secret cryptographic keys
- Patent number 9,847,877
- Issue date Dec 19, 2017
- International Business Machines Corporation
- Jan Camenisch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Backup and invalidation of authentication credentials
- Patent number 9,755,840
- Issue date Sep 5, 2017
- International Business Machines Corporation
- Jan L. Camenisch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

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
Password-Based Generation and Management of Secret Cryptographic Keys
- Publication number 20160065366
- Publication date Mar 3, 2016
- International Business Machines Corporation
- Jan CAMENISCH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BACKUP AND INVALIDATION OF AUTHENTICATION CREDENTIALS
- Publication number 20150381373
- Publication date Dec 31, 2015
- International Business Machines Corporation
- Jan L. Camenisch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE