Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829438 | Add/drop multiplexing in WDM optical networks | Wen Liu, Ping Wai Wan | 2004-12-07 |
| 6732058 | Method and apparatus for computation reduction for tone detection | Dongxing Jin, Ping Wai Wan, Leonard Marziliano | 2004-05-04 |