Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266466 | Optical amplifier and optical transmission system | Yoshio Nabeyama, Mitsuo Kitamura | 2001-07-24 |
| 5859938 | Optical amplifier and optical transmission system | Yoshio Nabeyama, Mitsuo Kitamura | 1999-01-12 |
| 5479423 | Method of modulating feedback signal in optical amplifier to compensate for pump laser saturation | — | 1995-12-26 |