Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9780897 | Optical transmission apparatus and optical reception apparatus | Kazuo Kubo | 2017-10-03 |
| 9692504 | Optical transport system | Hidenori Shimizu | 2017-06-27 |
| 9621291 | Optical communication cross-connection devices and signal processing method thereof | Soichiro Kametani, Kazuo Kubo, Kazuumi Koguchi | 2017-04-11 |
| 9590800 | Multilevel modulation optical transceiver and multilevel modulation optical transmission and reception method | Kiyoshi Onohara, Tsuyoshi Yoshida, Takafumi Fujimori | 2017-03-07 |
| 9564974 | Optical transmission device | Kazuo Kubo | 2017-02-07 |