Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490386 | Bidirectional optical amplifier | Xiaofan Cao | 2002-12-03 |
| 6463189 | Method and apparatus for optical switching devices utilizing a bi-morphic piezoelectric apparatus | Shudong Wu, Simon Cao, Weicheng Chen | 2002-10-08 |