Ralf Schaffelhofer

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Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for establishing a common key for a group of at least three...
- Patent number 7,778,423
- Issue date Aug 17, 2010
- Deutsche Telekom AG
- Tobias Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for establishing a common key for a group of at least three...
- Patent number 7,333,617
- Issue date Feb 19, 2008
- Deutsche Telekom AG
- Tobias Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for compressing data
- Patent number 6,714,147
- Issue date Mar 30, 2004
- Deutsche Telekom AG
- Klaus Huber
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR ESTABLISHING A COMMON KEY FOR A GROUP OF AT LEAST THREE...
- Publication number 20080101600
- Publication date May 1, 2008
- Deutsche Telekom AG
- Tobias Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for compressing data
- Publication number 20030038739
- Publication date Feb 27, 2003
- Deutsche Telekom AG
- Klaus Huber
- H03 - BASIC ELECTRONIC CIRCUITRY