Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8551360 | Rare-earth doped alkaline-earth silicon nitride phosphor, method for producing and radiation converting device comprising such a phosphor | Cheng-Jun Duan, Hubertus Theresia Hitzen, Sylke Rösler, Detlef Starick, Sven Rösler | 2013-10-08 |
| 7351356 | Luminescent material, especially for LED application | Hubertus T. Hintzen, Yuan Qiang Li | 2008-04-01 |