Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546166 | Multi-stage optical DWDM channel group interleaver | Yuqiao Liu | 2003-04-08 |
| 6535668 | Retro-reflective multi-port filter device with triple-fiber ferrule | Yuqiao Liu, Peter C. Chang | 2003-03-18 |