Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991985 | Optical transmission control device and optical signal wavelength determination method | Tatsuya Tsuzuki | 2018-06-05 |
| 9887778 | Optical amplifier, optical transmission apparatus, and optical repeating apparatus | Yoshito Kachita | 2018-02-06 |