Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891659 | Optical amplifiers, optical fiber raman amplifiers and optical systems | — | 2005-05-10 |
| 6850663 | Equipments including transponder for optical fiber transmission | Shinya Sasaki | 2005-02-01 |
| 6850713 | Optical single sideband transmitter | Ryoji Takeyari, Toshiki Sugawara | 2005-02-01 |