Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524516 | Security ink system | Tobias Fischer | 2022-12-13 |
| 10414192 | Datasheet for a security and/or valuable document | Edward Springmann, Detlef Maertens, Martin Siebert, Thomas Felske | 2019-09-17 |
| 7488002 | Security and/or value document | Benedikt Ahlers, Frank Kappe, Ralf Paugstadt, Armim Franz-Burgholz | 2009-02-10 |
| 7248730 | Certified paper discriminating apparatus | Toru Matsui, Benedikt Ahlers, Anett Bailleu, Frank Kappe | 2007-07-24 |
| 7242796 | Certified paper and an apparatus for discriminating the genuineness thereof | Toru Matsui, Benedikt Ahlers, Anett Bailleu, Frank Kappe | 2007-07-10 |
| 6784441 | Handsensor for authenticity identification of signets on documents | Benedikt Ahlers, Arnim Franz-Burgholz, Anett Bailleu, Manfred Paeschke, Peter Halter +2 more | 2004-08-31 |
| 6750465 | Device for evaluating diffractive authenticity features | Arnim Franz-Burgholz, Harald Hoeppner, Thomas Loer, Detlef Martens, Gunther Dausmann +5 more | 2004-06-15 |
| 6741336 | Sensor for authenticity identification of signets on documents | Benedikt Ahlers, Arnim Franz-Burgholz, Anett Bailleu, Manfred Paeschke, Peter Halter | 2004-05-25 |
| 6600416 | Device for validating authenticity features on documents of value and security documents | Frank Kappe, Benedikt Ahlers, Arnim Franz-Burgholz, Anett Bailleu | 2003-07-29 |
| 6530527 | Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity | Benedikt Ahlers, Arnim Franz-Burgholz, Wolfgang Schmidt, Frank Kappe | 2003-03-11 |
| 6234537 | Security document with optically excitable dyes for authenticity check | Benedikt Ahlers, Frank Kappe, Ralf Paugstadt, Arnim Franz-Burgholz | 2001-05-22 |