Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771852 | Two-fiber optical shared protection ring with a bi-directional 4×4 optical switch fabric | Roe Hemenway, Ming-Jun Li, Mark J. Soulliere, Daniel J. Tebben, Xuxing Zhao | 2004-08-03 |
| 6493480 | Multistage optical cross-connect | — | 2002-12-10 |