Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10523335 | Known signal detection method | Yasuharu Onuma, Etsushi Yamazaki, Masahiro Tachibana, Mitsuteru YOSHIDA, Masahito Tomizawa +1 more | 2019-12-31 |
| 10422719 | Chromatic dispersion estimating circuit, optical reception device and chromatic dispersion amount estimating method | Etsushi Yamazaki, Yuki Yoshida, Mitsuteru YOSHIDA, Koki Shibahara, Kengo Horikoshi +1 more | 2019-09-24 |
| 10419127 | Phase compensation device, phase compensation method and communication apparatus | Etsushi Yamazaki, Hiroyukl Nouchi, Yasuharu Onuma, Katsuichi Oyama, Kazuhito Takei +4 more | 2019-09-17 |
| 10396895 | Compensation coefficient calculation method | Etsushi Yamazaki, Yuki Yoshida, Katsuichi Oyama, Yasuharu Onuma, Akihiro Yamagishi | 2019-08-27 |
| 10389452 | Coherent optical reception device | Kengo Horikoshi, Mitsuteru YOSHIDA, Seiji Okamoto, Eiichi Hosoya, Etsushi Yamazaki +3 more | 2019-08-20 |
| 10374718 | Optical transmission distortion compensation device, optical transmission distortion compensation method, and communication device | Yasuharu Onuma, Etsushi Yamazaki, Hiroyuki Nouchi, Katsuichi Oyama, Kazuhito Takei +3 more | 2019-08-06 |