Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115154 | Method and system for detecting loss of signal in wavelength division multiplexed systems | Janet Jackel, Dwight Hugh Richards, Wei Xin | 2000-09-05 |
| 5825517 | Parametric wavelength interchanging cross-connect | Krishna Bala, Georgios Ellinas, Sung-Joo Ben Yoo | 1998-10-20 |