Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12301295 | Communication system and method for controlling communication system | Yutaka Yano, Yoshihisa Inada, Ryuji Aida | 2025-05-13 |
| 11483068 | Optical transmission line monitoring apparatus, optical transmission line monitoring system, and optical transmission line monitoring method | — | 2022-10-25 |
| 11070305 | Optical relay, optical relay control method, and optical transmission system | — | 2021-07-20 |
| 10855392 | High-density submarine ROADM unit with remote WSS redundancy | Eduardo Mateo Rodriguez, Ryuji Aida | 2020-12-01 |
| 10594392 | Optical transmitter, optical transmission device, optical transmission/reception system, and optical transmission method | — | 2020-03-17 |
| 10338316 | Polarization dispersion adder and optical receiver | — | 2019-07-02 |
| 8378912 | Antenna coil | Tatsumi Nishino, Fumihito Meguro | 2013-02-19 |
| 8290361 | Transmission line monitoring system | — | 2012-10-16 |
| 8044875 | Coil parts | Tatsumi Nishino, Fumihito Meguro | 2011-10-25 |