Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972333 | Preparation of quinacridonequinones and substituted derivatives of same | Edward Sung, George H. Robertson | 2005-12-06 |
| 6630695 | InGaN/AlGaN/GaN multilayer buffer for growth of GaN on sapphire | Changhua Chen, Heng Liu | 2003-10-07 |
| 6495867 | InGaN/AlGaN/GaN multilayer buffer for growth of GaN on sapphire | Changhua Chen, Heng Liu | 2002-12-17 |