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 | Takuji Maeda, Norifumi Shukunami, Tatsuya Tsuzuki, Yuichi Suzuki | 2005-06-07 |
| 6850581 | Timing circuit | Hiroshi Hamano | 2005-02-01 |
| 6839162 | Optical amplifying apparatus and optical communication system | Motoyoshi Sekiya | 2005-01-04 |