Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889990 | Optical line terminal capable of active bandwidth allocation for passive optical network system | Tohru Kazawa, Kenichi Sakamoto | 2011-02-15 |
| 7873277 | Passive optical network system and wavelength assignment method | Tohru Kazawa, Kenichi Sakamoto | 2011-01-18 |