Inventor

UEBERBERG JOHANNES

DE3 patents

Patents

3 patents

US6760445B1Jul 6, 2004

Method for identifying betrayers of proprietary data

DEUTSCHE TELEKOM AG21 citations90

US6590995B1Jul 8, 2003

Method of inserting manipulation-proof digital fingerprints into electronic documents

DEUTSCHE TELEKOM AG20 citations90

US6636613B1Oct 21, 2003

Method for embedding manipulation-secure digital fingerprints into electronic documents

DEUTSCHE TELEKOM AG11 citations71