Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815120 | Alkaline earth metal silicate luminophores and method for improving the long term stability thereof | Sylke Rösler, Sven Rösler, Cheng-Jun Duan, Rudolf Dennstedt | 2014-08-26 |
| 7855393 | Light emitting device with a non-activated luminescent material | Sven Rösler, Sylke Rösler, Detlef Starick, Peter Pachler, Stefan Tasch +2 more | 2010-12-21 |
| 7679101 | Light emitting device | Koichi Ota, Atsuo Hirano, Akihito Ota, Stefan Tasch, Peter Pachler +3 more | 2010-03-16 |
| 7259396 | Light source with a light-emitting element | Stefan Tasch, Peter Pachler, Gundula Roth, Walter Tews, Detlef Starick | 2007-08-21 |
| 7187011 | Light source with a light-emitting element | Stefan Tasch, Peter Pachler, Gundula Roth, Walter Tews, Detlef Starick | 2007-03-06 |
| 7157746 | Light emitting device having a divalent-europium-activated alkaline earth metal orthosilicate phosphor | Koichi Ota, Atsuo Hirano, Akihito Ota, Stefan Tasch, Peter Pachler +3 more | 2007-01-02 |
| 7138660 | Light emitting device | Koichi Ota, Atsuo Hirano, Akihito Ota, Stefan Tasch, Peter Pachler +3 more | 2006-11-21 |
| 6943380 | Light emitting device having phosphor of alkaline earth metal silicate | Koichi Ota, Atsuo Hirano, Akihito Ota, Stefan Tasch, Peter Pachler +3 more | 2005-09-13 |
| 6841092 | Anti-stokes fluorescent compositions and methods of use | Manfred Paeschke, Benedikt Ahlers, Anett Bailleu, Oliver Muth, Arnim Franz-Burgholtz +2 more | 2005-01-11 |
| 6809347 | Light source comprising a light-emitting element | Stefan Tasch, Peter Pachler, Gundula Roth, Walter Tews, Detlef Starick | 2004-10-26 |