Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680024 | Multilevel read-only optical disk and method for producing the same | Jianmin Liu, Hao Wang, Da Lu, Longfa Pan, Yi Ni +7 more | 2010-03-16 |
| 7012270 | Photolithography system having multiple adjustable light sources | Guosheng Qi, Peijun Jiang, Xiaodong Fan, Kun Qian | 2006-03-14 |