Inventor

KOEPPEN ECKHART

US2 patents

Patents

2 patents

US7093296B2Aug 15, 2006

System and method for dynamically extending a DRM system using authenticated external DPR modules

IBM41 citations89

US7712146B2May 4, 2010

System and method for dynamically extending a DRM system using authenticated external DPR modules

IBM1 citations49