Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903324 | Optical amplifier amplifying wavelength multiplexed light, and wavelength multiplexed light communications system | Hiroaki Tomofuji, Takuji Maeda, Tatsuya Tsuzuki, Yuichi Suzuki | 2005-06-07 |
| 6891662 | Optical amplifier and method for amplifying wavelength multiplexed transmission signal light | Yasushi Sugaya, Etsuko Hayashi, Terumi Chikama, Sinya Inagaki | 2005-05-10 |
| 6856455 | Light source apparatus, optical amplifier and optical communication system | Norihisa Naganuma | 2005-02-15 |