Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815121 | Halogenated oxycarbidonitride phosphor and devices using same | Michael Dennis Romanelli, Yongchi Tian | 2014-08-26 |
| 8536777 | Oxycarbidonitride based phosphors and LED lighting devices | Michael Dennis Romanelli, Yongchi Tian | 2013-09-17 |
| 8007683 | Carbidonitridosilicate luminescent substance | Detlef Starick, Sven Rösler, Sylke Rösler, Hubertus Thoresia Hintzen | 2011-08-30 |
| 7902380 | Process for the preparation of (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide and (R)-alpha-ethyl-2-oxo-pyrrolidineacetamide | Zhi-Xian Wang, Bhaskar Reddy Guntoori | 2011-03-08 |
| 7485243 | Luminescent material and light emitting diode using the same | Hubertus T. Hintzen | 2009-02-03 |
| 7351356 | Luminescent material, especially for LED application | Anne Charlotte Antoinette Delsing, Hubertus T. Hintzen | 2008-04-01 |