Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671464 | Polarization mode dispersion compensator and compensation method | — | 2003-12-30 |
| 6587260 | Band-expanding method for optical amplifiers and optical transmission apparatus | Ryoji Takeyari | 2003-07-01 |
| 6532320 | Equipments, transpondor and methods for optical fiber transmission | Shinya Sasaki | 2003-03-11 |