Issued Patents 2017
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9831976 | Optical transmission apparatus, optical transmission system, and transmission wavelength control method | Yuji Kamura, Yoshinori Tochiki | 2017-11-28 |
| 9825699 | Method and apparatus for correcting inter-channel power imbalance and receiver | Ying Zhao, Liang Dou, Zhenning Tao, Takeshi Hoshida | 2017-11-21 |
| 9768906 | Optical transmission apparatus and wavelength control method | Hisayuki Ojima | 2017-09-19 |
| 9722704 | Optical transmission apparatus and method for controlling optical power | Kosuke Komaki, Taketo Endo, Shuzo Matsushita, Hirofumi Araki, Hiroshi Nishida +1 more | 2017-08-01 |
| 9698905 | Optical transmission system, optical transmission apparatus and wavelength spacing measurement apparatus | Kosuke Komaki, Taketo Endo | 2017-07-04 |
| 9667346 | Optical transmission system, wavelength control method and node | Hirofumi Araki, Yoshitaka Taki, Satoru Miyazaki | 2017-05-30 |
| 9564964 | Optical signal processing device, optical signal processing method and recording medium | Katsumi Fukumitsu, Osamu Takeuchi, Hirofumi Araki, Kanji Naito, Shoichi Murakami | 2017-02-07 |