Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9800326 | Optical transmission device and protection wavelength selection method | Takuma Shoji, Takashi Honda, Masashige Kawarai | 2017-10-24 |
| 9537774 | Transmission apparatus and method for controlling transmission band | — | 2017-01-03 |