Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9698931 | Apparatus and method for selecting a channel to be set to a path in a communication network | Yasuko Nozu | 2017-07-04 |
| 9515848 | Transmission device, transmission system, and transmission method | Toshihiro Togo, Kanji Naito, Koji Takeguchi | 2016-12-06 |
| 9197347 | Optical transmission system and noise suppression method | Yasuko Nozu, Katsuhiro Shirai, Koji Takeguchi, Toshihiro Togo | 2015-11-24 |
| 9154373 | Failure protection method and node apparatus | Toshihiro Togo, Kanji Naito, Toru Katagiri, Koji Takeguchi | 2015-10-06 |