Issued Patents 2019
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10523335 | Known signal detection method | Yasuharu Onuma, Tomohiro Takamuku, 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 | Tomohiro Takamuku, Yuki Yoshida, Mitsuteru YOSHIDA, Koki Shibahara, Kengo Horikoshi +1 more | 2019-09-24 |
| 10419127 | Phase compensation device, phase compensation method and communication apparatus | Hiroyukl Nouchi, Yasuharu Onuma, Tomohiro Takamuku, Katsuichi Oyama, Kazuhito Takei +4 more | 2019-09-17 |
| 10396895 | Compensation coefficient calculation method | Tomohiro Takamuku, Yuki Yoshida, Katsuichi Oyama, Yasuharu Onuma, Akihiro Yamagishi | 2019-08-27 |
| 10389452 | Coherent optical reception device | Kengo Horikoshi, Mitsuteru YOSHIDA, Seiji Okamoto, Eiichi Hosoya, Yasuharu Onuma +3 more | 2019-08-20 |
| 10374718 | Optical transmission distortion compensation device, optical transmission distortion compensation method, and communication device | Yasuharu Onuma, Hiroyuki Nouchi, Tomohiro Takamuku, Katsuichi Oyama, Kazuhito Takei +3 more | 2019-08-06 |
| 10305675 | Data phase tracking device, data phase tracking method and communication device | Yasuharu Onuma, Masahiro Tachibana, Kazuhito Takei, Yuki Yoshida, Masayuki Ikeda +2 more | 2019-05-28 |
| 10171173 | Optical signal transmission apparatus and optical signal transmission method | Seiji Okamoto, Koichi Ishihara, Mitsuteru YOSHIDA, Tomoyoshi Kataoka, Kazushige Yonenaga +3 more | 2019-01-01 |