Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11146332 | Transmission line monitoring device and transmission line monitoring method | Setsuo Yoshida | 2021-10-12 |
| 10999659 | Optical network device and method for monitoring transmission line | Kazuyuki Tajima, Setsuo Yoshida, Takeshi Hoshida | 2021-05-04 |
| 10972178 | Parameter analysis method and apparatus | — | 2021-04-06 |