Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934016 | Method and apparatus for measuring Raman gain, method and apparatus for controlling Raman gain, and Raman amplifier | Masaaki Sobe | 2005-08-23 |
| 6922504 | Optical power device protector and optical transmission system using it, and method for protecting optical power device | — | 2005-07-26 |
| 6915082 | Optical data transmitting apparatus and method | — | 2005-07-05 |
| 6904064 | Optical fiber transmission system, raman gain control device and raman gain control method | Masaaki Sobe | 2005-06-07 |