Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686062 | Magnesium calcium thioaluminate phosphor | Dan Cheong, Xingwei Wu | 2004-02-03 |
| 6617782 | Thioaluminate phosphor material with a gadolinium co-activator | Dan Cheong | 2003-09-09 |