Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9152902 | Identification document with a contactless RFID chip | Kim Nguyen | 2015-10-06 |
| 6996726 | Mobile data carrier with data-independent supply current and voltage | Gerrit Willem den Besten, Jozef L.W. Kessels | 2006-02-07 |
| 6827278 | Data carrier | Ralf Malzahn, Wolfgang Eber, Dominik Berger, Jozef L. W. Kessels, Torsten Kramer | 2004-12-07 |
| 5673228 | Integrated circuit having an EEPROM, semiconductor wafer provided with such integrated circuits, and method of testing such a semiconductor wafer | Dirk Armbrust, Tom Holtz | 1997-09-30 |
| 5467081 | Datacarriers with separate storage of read and write-inhibited memory locations | Steffen Drews, Wolfgang Tobergte, Klaus Axer | 1995-11-14 |
| 5436971 | Method of and circuit arrangement for checking a smart card | Dirk Armbrust, Holger Brechtel | 1995-07-25 |