Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5864422 | Light amplifier device capable of suppressing light surge | Satoru Miyazaki | 1999-01-26 |
| 5768011 | Optical amplifying repeater | Takeo Osaka | 1998-06-16 |
| 5296957 | Optical repeater having loop-back function used in transmission system | Masaaki Takahashi, Takanori Maki, Katsumi Kikawa, Mitsushi Nitta | 1994-03-22 |