Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537706 | Method for making a photolithographic mask | Qing Ma, Jun Zheng, Giang T. Dao | 2003-03-25 |
| 6509622 | Integrated circuit guard ring structures | Qing Ma, Quan Tran, Harry Fujimoto | 2003-01-21 |