Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7289536 | Method for signaling different header information | Martin Hans, Frank Kowalewski, Josef Laumen, Gunnar Schmidt, Siegfried Baer +1 more | 2007-10-30 |
| 7286554 | Method for transmitting at least one group message, associated radio communication network, subsystem and mobile communication device | Michael Eckert, Frank Mademann | 2007-10-23 |
| 7283511 | Method for operating a mobile radiotelephone network | Martin Hans | 2007-10-16 |
| 7274678 | Method and system for transmitting data, with transmission antenna diversity | Martin Hans, Frank Kowalewski, Josef Laumen, Gunnar Schmidt, Siegfried Baer | 2007-09-25 |
| 7263089 | Method for operating a mobile radio network | Martin Hans, Frank Kowalewski, Josef Laumen, Gunnar Schmidt, Siegfried Baer | 2007-08-28 |
| 7245636 | Method for operating a mobile radiotelephone network | Martin Hans | 2007-07-17 |
| 7215941 | Emergency call signaling via mobile telecommunications devices | Siegfried Bär, Hyung-Nam Choi, Thomas Gottschalk, Martin Hans, Frank Kowalewski +2 more | 2007-05-08 |
| 7089021 | Method and system for determining the position of subscriber devices of a radio communication system using additional positioning elements | Siegfried Bär, Thomas Gottschalk | 2006-08-08 |
| 6999753 | Method, subscriber device and radio communication system for transmitting group messages | Michael Eckert, Martin Hans, Andreas Otte | 2006-02-14 |
| 6983147 | Method of transmitting signaling information, a master station, a mobile station and message elements | Martin Hans, Josef Laumen, Volker Deichmann | 2006-01-03 |
| 6928288 | Device and method for setting up a subsequent connection for data transmission via a mobile telecommunications system, after the termination of the first connection | Martin Hans, Frank Kowalewski, Josef Laumen, Gunnar Schmidt, Siegfried Baer | 2005-08-09 |
| 6813258 | Detection method and device | Martin Hans, Frank Kowalewski, Josef Laumen, Gunnar Schmidt, Siegfried Baer | 2004-11-02 |