Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9831953 | Excitation light source device and optical transmission system | Katsunori Imanishi, Hideki Sueoka, Kengo Takata | 2017-11-28 |
| 9628173 | Optical transmission line switching apparatus and optical transmission system | Shun Chikamori | 2017-04-18 |