Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7096365 | Digital signature | Jutta Kreyss, Narayanan Vasudevan | 2006-08-22 |
| 7003596 | System and method for accessing readers and other I/O devices by programs | Klemens Klaffke, Robert Sulzmann | 2006-02-21 |
| 6981147 | Certification of multiple keys with new base and supplementary certificate types | Jutta Kreyss, Narayanan Vasudevan | 2005-12-27 |
| 6729549 | System and method for personalization of smart cards | Klemens Klaffke, Robert Sulzmann | 2004-05-04 |
| 6516357 | System for accessing virtual smart cards for smart card application and data carrier | Thomas Schaeck, Robert Sulzmann | 2003-02-04 |
| 6296191 | Storing data objects in a smart card memory | Michael Kaisser | 2001-10-02 |