Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970135 | Method for the secure, distributed generation of an encryption key | — | 2011-06-28 |
| 7793327 | Terminal device and method for using different services offered via a telecommunications network | Klaus Miethe, Jens Johann, Wolfgang Oberndorfer | 2010-09-07 |
| 7778423 | Method for establishing a common key for a group of at least three subscribers | Tobias Martin, Ralf Schaffelhofer | 2010-08-17 |
| 7606369 | Process for establishing a common cryptographic key for N subscribers | — | 2009-10-20 |
| 7555649 | Method for generating digital watermarks for electronic documents | Friedrich Toensing | 2009-06-30 |
| 7480635 | Method for financing multimedia content through advertising | Eva Saar | 2009-01-20 |
| 7340758 | Method and device for routing of specific data, particularly receiving rights, in a pay-TV terminal | Stefan Heuser, Christoph Schaaf, Joachim Fingerholz | 2008-03-04 |
| 7333617 | Method for establishing a common key for a group of at least three subscribers | Tobias Martin, Ralf Schaffelhofer | 2008-02-19 |
| 7222234 | Method for key agreement for a cryptographic secure point—to—multipoint connection | Tobias Martin | 2007-05-22 |
| 7194440 | Billing method using SSL/TLS | Tobias Martin | 2007-03-20 |
| 7164766 | Method for addressing terminals | — | 2007-01-16 |
| 7162037 | Method for generating/regenerating an encryption key for a cryptographic method | — | 2007-01-09 |
| 7035405 | Method for establishing a common key between a central station and a group of subscribers | — | 2006-04-25 |
| 6991176 | Method for generating identification numbers | Tobias Martin | 2006-01-31 |
| 6760445 | Method for identifying betrayers of proprietary data | Johannes Ueberberg | 2004-07-06 |
| 6636613 | Method for embedding manipulation-secure digital fingerprints into electronic documents | Johannes Ueberberg | 2003-10-21 |
| 6590995 | Method of inserting manipulation-proof digital fingerprints into electronic documents | Johannes Ueberberg | 2003-07-08 |
| 6222923 | Method for securing system protected by a key hierarchy | — | 2001-04-24 |
| 5903649 | Method for establishing a common code for authorized persons through a central office | — | 1999-05-11 |
| 5835598 | Public key method of encoding data | — | 1998-11-10 |
| 5787178 | Computerized method for signing a message | — | 1998-07-28 |