Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9014562 | Optical line terminal arrangement, apparatus and methods | Ornan Gerstel | 2015-04-21 |
| 8971706 | Link discovery, verification, and failure isolation in an optical communication system | Ornan Gerstel, Humair Raza, Babu Ozhur Narayanan, Robert Ward, Robert W. Keys +4 more | 2015-03-03 |
| 8134939 | Multichannel ring and star networks with limited channel conversion | Galen Sasaki | 2012-03-13 |
| 7606180 | Multichannel ring and star networks with limited channel conversion | Galen Sasaki | 2009-10-20 |
| 7376350 | Methods and apparatus for optical network management using pilot tones | John C. Carrick, Mark I. Oppenheimer, Ornan Gerstel | 2008-05-20 |
| 7369772 | Optical line terminal arrangement, apparatus and methods | Ornan Gerstel | 2008-05-06 |
| 7181138 | Optical network connection test apparatus and methods | Ornan Gerstel, Robert Ward | 2007-02-20 |
| 7123832 | Methods and apparatus for optical network management using pilot tones | John C. Carrick, Mark I. Oppenheimer, Ornan Gerstel | 2006-10-17 |
| 7110668 | Optical network connection test apparatus and methods | Ornan Gerstel, Robert Ward | 2006-09-19 |
| 7072031 | Alignment laser for use in cross-connects | Humair Raza, Robert Ward, Babu Ozhur Narayanan | 2006-07-04 |
| 7016607 | Methods and apparatus for optical network management using pilot tones | John C. Carrick, Mark I. Oppenheimer, Ornan Gerstel | 2006-03-21 |
| 6970433 | Multichannel ring and star networks with limited channel conversion | Galen Sasaki | 2005-11-29 |
| 6961506 | Variable attenuation of free-space light beams | Armand P. Neukermans, John Heanue, Brian Tremaine, Marc R. Schuman | 2005-11-01 |
| 6947623 | Signals and methods for increasing reliability in optical network equipment | Robert Ward | 2005-09-20 |
| 6944364 | Method and apparatus for regenerating optical signals in an all-optical cross-connect switch | Robert Ward | 2005-09-13 |
| 6898376 | Optical ring protection apparatus and methods | Ornan Gerstel | 2005-05-24 |
| 6882765 | Connection protection between clients and optical cross-connect switches | Kent Erickson, Subhashini Kaligotia | 2005-04-19 |
| 6813407 | Method and apparatus for bridging optical signals in an optical network | Robert Ward | 2004-11-02 |
| 6795602 | Flexible, modular, compact fiber optic switch | Armand P. Neukermans, Timothy G. Slater, Tyler Baughman, James Peter Drummond Downing, John S. Forker +5 more | 2004-09-21 |
| 6792174 | Method and apparatus for signaling between an optical cross-connect switch and attached network equipment | — | 2004-09-14 |
| 6721508 | Optical line terminal arrangement, apparatus and methods | Ornan Gerstel | 2004-04-13 |
| 6650803 | Method and apparatus for optical to electrical to optical conversion in an optical cross-connect switch | Robert Ward | 2003-11-18 |
| 6597826 | Optical cross-connect switching system with bridging, test access and redundancy | Steven M. Clark, Robert Ward | 2003-07-22 |
| 6571030 | Optical cross-connect switching system | Steven T. Tabaska, Robert Ward | 2003-05-27 |
| 6445844 | Flexible, modular, compact fiber optic switch | Armand P. Neukermans, Timothy G. Slater, Tyler Baughman, James Peter Drummond Downing, John S. Forker +5 more | 2002-09-03 |