Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669866 | Luminous substance for a light source and light source associates therewith | Franz Kummer, Franz Zwaschka, Alexandra Debray, Guenther Waitl | 2003-12-30 |
| 6670748 | Illumination unit having at least one LED as light source | Torsten Fries, Tim Fiedler, Gunter Huber | 2003-12-30 |
| 6657379 | Illumination unit having at least one LED as light source | Gunter Huber, Franz Kummer | 2003-12-02 |
| 6552487 | Phosphor for light sources, and associated light source | Franz Zwaschka | 2003-04-22 |
| 6504179 | Led-based white-emitting illumination unit | Frank Jermann, Franz Kummer, Michael Ostertag, Franz Zwaschka | 2003-01-07 |