Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7518151 | Gallium nitride/sapphire thin film having reduced bending deformation | Chang-Ho Lee, Hae Yong Lee, Kisoo Lee | 2009-04-14 |
| 7315045 | Sapphire/gallium nitride laminate having reduced bending deformation | Chang-Ho Lee, Hae Yong Lee | 2008-01-01 |