Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966586 | Intelligent pattern signature based on lithography effects | Junjiang Lei, Kuang-Hao Lay, Weiping Fang | 2011-06-21 |
| 7904853 | Pattern signature | Junjiang Lei, Weiping Fang | 2011-03-08 |