Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11483067 | Optical time domain reflectometer, test method of optical transmission line, and test system of optical transmission line | Yuhei MATSUMOTO, Takefumi Oguma | 2022-10-25 |
| 11476930 | Optical time domain reflectometer, method of testing optical transmission line, and test system of optical transmission line | Yuhei MATSUMOTO, Takefumi Oguma | 2022-10-18 |
| 8713402 | Optical channel transport unit frames transmission having interleaved parity | — | 2014-04-29 |