Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8305881 | Method and system for maximizing wavelength reuse in optically protected WDM networks | Robert S. Harby, Dat D. Ngo, James Dorian Sandoz, Charles Small | 2012-11-06 |
| 7437075 | Integrated reconfigurable optical add/drop multiplexer | Christopher Doerr, Timothy O. Murphy, Alice E. White | 2008-10-14 |
| 7409121 | Integrateable optical interleaver and de-interleaver | Christopher Doerr | 2008-08-05 |
| 7362979 | Apparatus and method for duobinary transmission | Douglas M. Gill, Xiang Liu, Moncef Tayahi, Xing Wei | 2008-04-22 |
| 7362980 | Duobinary transmission system and method | Douglas M. Gill, Xiang Liu, Moncef Tayahi, Xing Wei | 2008-04-22 |
| 7171116 | Provisionable keep-alive signal for physical-layer protection of an optical network | Steven K. Korotky | 2007-01-30 |
| 7171067 | Integrateable optical interleaver and de-interleaver | Christopher Doerr | 2007-01-30 |
| 7155123 | Method and apparatus for locating faults in an optical network | Peter H. Mitev | 2006-12-26 |
| 7099582 | Method and apparatus for multi-protocol and multi-rate optical channel performance monitoring | Chedley Belhadj-Yahya | 2006-08-29 |
| 6792172 | Reduced size multimode interference based coupler | Robert Scarmozzino, Richard M. Osgood, Jr. | 2004-09-14 |
| 6766113 | Control channel processor and switching mechanism | Daniel Al-Salameh, Mario F. Alvarez, Jithamithra Sarathy, Anastasios Tzathas | 2004-07-20 |
| 6721502 | Shared optical protection ring architecture | Daniel Al-Salameh, Donald L. Husa, Timothy O. Murphy, Gaylord W. Richards | 2004-04-13 |
| 6634807 | Optical transmission system including performance optimization | Daniel Al-Salameh | 2003-10-21 |