Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341779 | Rare earth oxide coated phosphors | Wounjhang Park, Kazuhito Yasuda, Brent Wagner, Christopher Summers, Hong Guen Yang | 2008-03-11 |
| 6699523 | Rare earth oxide coated phosphors and a process for preparing the same | Wounjhang Park, Kazuhito Yasuda, Brent Wagner, Christopher Summers, Hong Guen Yang | 2004-03-02 |