Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10312420 | Light-emitting device having surface-modified luminophores | Chung Hoon Lee, Walter Tews, Gundula Roth | 2019-06-04 |
| 10255515 | Method and device for checking a security element | Manfred Paeschke, Olga Kulikovska, Joerg Fischer | 2019-04-09 |