Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525971 | Insertion/removal error prevention system | Yuichiro Ikuma, Takafumi FUKATANI | 2022-12-13 |
| 11528080 | Optical transmission system and failure diagnosis method for optical transmission system | Hiroki Kawahara, Toshiyuki Oka, Toshihiko Seki | 2022-12-13 |
| 11424824 | OSNR spectrum estimation apparatus, OSNR spectrum estimation method, and program | Hiroki Kawahara, Kohei Saito, Tsutomu Kubo | 2022-08-23 |