Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600595 | Multi-stage optical amplifier apparatus having fiber grating with a cutoff wavelength less than the pump light wavelength | Kenichi Yoneyama | 2003-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600595 | Multi-stage optical amplifier apparatus having fiber grating with a cutoff wavelength less than the pump light wavelength | Kenichi Yoneyama | 2003-07-29 |