Issued Patents 2023
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802212 | Method for producing pigment fragments with a predefined internal and/or external contour using a crack-forming layer, and pigment fragments | Kai Herrmann SCHERER, Raphael Dehmel, Christoph HUNGER | 2023-10-31 |
| 11745474 | Composite glass with an intermediate film that changes colour depending on the viewing angle | Raphael Dehmel, Kai Herrmann SCHERER, Daniel Lenssen, Michael Rahm, Mario Keller | 2023-09-05 |
| 11702548 | Method for producing pigment fragments with a predefined internal and/or external contour, and pigment fragments | Christian Fuhse, Manfred Heim, Patrick Renner, Michael Rahm, Thomas Mang +3 more | 2023-07-18 |
| 11654709 | Optically variable security element having reflective surface region | Kai Herrmann SCHERER, Raphael Dehmel, Michael Rahm, Giselher Dorff, Andreas Rauch +2 more | 2023-05-23 |
| 11623465 | Optically variable security element having reflective surface region | Kai Hermann Scherer, Raphael Dehmel, Michael Rahm, Giselher Dorff, Andreas Rauch +2 more | 2023-04-11 |
| 11618276 | Lens pigment, method for producing the same, valuable document and printing ink | Matthias Pfeiffer, Christian Fuhse | 2023-04-04 |
| 11602949 | Method for manufacturing a value document, value document and printing device | Tobias Sattler, Karlheinz Mayer, Kai Hermann Scherer, Raphael Dehmel, Christian Fuhse +6 more | 2023-03-14 |