Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701188 | Chromatic dispersion compensator and chromatic dispersion compensating optical communication system | Yasushi Koyano | 1997-12-23 |
| 5694239 | Optical phase conjugator, optical transmission system using the same, and optical phase conjugation method | Masayuki Nishimura | 1997-12-02 |
| 5680491 | Optical fiber dispersion compensation device for optical communication system | Tomonori Kashiwada, Masayuki Nishimura | 1997-10-21 |
| 5640269 | Optical fiber amplifier and optical amplifier repeater | Koji Nakazato, Tomonori Kashiwada, Masayuki Nishimura | 1997-06-17 |