Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577430 | Bi-directional optical switch | Lei Zhang, Jing Zhao | 2003-06-10 |
| 6522456 | Dynamic optical filter | Qiushui Chen, Hua Jiang, Yingyin Kevin Zou, Dean Z. Tsang, Paul Melman +2 more | 2003-02-18 |