Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004752 | Multi-wavelength light amplifier | Yasushi Sugaya, Miki Takeda, Terumi Chikama | 2011-08-23 |
| 7969648 | Gain and signal level adjustments of cascaded optical amplifiers | Shinya Inagaki, Norifumi Shukunami, Hiroyuki Itou, Taiki Kobayashi | 2011-06-28 |
| 7969649 | Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied | Yasushi Sugaya | 2011-06-28 |
| 7970278 | Flexible open ring optical network and method | Koji Takeguchi, Satoru Odate, Cechan Tian | 2011-06-28 |
| 7957644 | Flexible open ring optical network and method | Koji Takeguchi, Satoru Odate, Cechan Tian | 2011-06-07 |
| 7924499 | Gain and signal level adjustments of cascaded optical amplifiers | Shinya Inagaki, Norifumi Shukunami, Hiroyuki Itou, Taiki Kobayashi | 2011-04-12 |