Issued Patents 2005
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6943940 | Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands | Susumu Kinoshita | 2005-09-13 |
| 6922280 | Optical amplifying apparatus, optical add/drop multiplexer, and optical amplifying method | — | 2005-07-26 |
| 6922282 | Optical amplifier for amplifying multi-wavelength light | Miki Onaka | 2005-07-26 |
| 6891661 | Optical amplifier with pump light source control for Raman amplification | Etsuko Hayashi, Tomoto Tanaka, Miki Onaka | 2005-05-10 |
| 6891662 | Optical amplifier and method for amplifying wavelength multiplexed transmission signal light | Etsuko Hayashi, Terumi Chikama, Sinya Inagaki, Norifumi Shukunami | 2005-05-10 |
| 6891663 | Optical amplifier for amplifying a wavelength division multiplexed (WDM) light including light in different wavelength bands | Susumu Kinoshita | 2005-05-10 |
| 6873455 | Optical amplification apparatus utilizing raman amplification and controlling method thereof | Tomoto Tanaka, Etsuko Hayashi | 2005-03-29 |
| 6873795 | Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light | — | 2005-03-29 |
| 6865016 | 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 | Susumu Kinoshita | 2005-03-08 |
| 6862133 | Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification | Miki Onaka, Etsuko Hayashi | 2005-03-01 |
| 6847478 | Optical amplification apparatus using Raman amplification | Tomoto Tanaka, Miki Onaka, Etsuko Hayashi | 2005-01-25 |