Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012792 | Composite phosphor powder, light emitting device using the same and method for manufacturing composite phoshpor powder | Joon Ho Yoon, Chang Hoon Kwak, Yun Seup Chung | 2011-09-06 |