Eckhart Koeppen

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for dynamically extending a DRM system using auth...
- Patent number 7,712,146
- Issue date May 4, 2010
- International Business Machines Corporation
- Stefan Nusser
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for dynamically extending a DRM system using auth...
- Patent number 7,093,296
- Issue date Aug 15, 2006
- International Business Machines Corporation
- Stefan Nusser
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR DYNAMICALLY EXTENDING A DRM SYSTEM USING AUTH...
- Publication number 20070208742
- Publication date Sep 6, 2007
- International Business Machines Corporation
- Stefan Nusser
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for dynamically extending a DRM system using auth...
- Publication number 20030140243
- Publication date Jul 24, 2003
- International Business Machines Corporation
- Stefan Nusser
- G06 - COMPUTING CALCULATING COUNTING