Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6204943 | Reconfigurable ring transmission network with multiplexing in wave length for semi-permanent links | Andre Hamel, Jean Stoschek | 2001-03-20 |
| 5771112 | Reconfigurable device for insertion-extraction of wavelengths | Andre Hamel | 1998-06-23 |
| 5748815 | Optical component adapted to monitor a multiwavelength link and add-drop multiplexer using this component, application to optical networks | Andre Hamel | 1998-05-05 |
| 5712717 | High isolation, optical add-drop multiplexer | Andre Hamel, Eric Delevaque | 1998-01-27 |