Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11424824 | OSNR spectrum estimation apparatus, OSNR spectrum estimation method, and program | Hiroki Kawahara, Kohei Saito, Takeshi Seki | 2022-08-23 |
| 11329445 | Optical amplifier, optical transmission system, and optical cable failure part measurement method | Takashi Kotanigawa, Kohei Saito | 2022-05-10 |