Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7821712 | Thin film tunable optical filter | Kan Yu, Jin-Huai Chang, Shuihua Liu, Weilin GUAN, Dexiu Huang +2 more | 2010-10-26 |
| 7184660 | Method and system for monitoring performance of optical network | Paul Obeda, Niranjan Vethanayagam, Dan Oprea | 2007-02-27 |
| 7113279 | Variable polarization independent optical power splitter | Keyu Wu, Yong Luo | 2006-09-26 |
| 7031606 | Method and system for monitoring performance of optical network | Niranjan Vethanayagam, Dan Oprea | 2006-04-18 |
| 6829438 | Add/drop multiplexing in WDM optical networks | Ping Wai Wan, Derrick Remedios | 2004-12-07 |
| 6594045 | Flexible optical network architecture and optical add/drop multiplexer/demultiplexer therefor | — | 2003-07-15 |
| 6559987 | Flexible optical network architecture | — | 2003-05-06 |