| 12040834 |
Adaptive equalizer, adaptive equalization method, and optical communication system |
Mitsuteru YOSHIDA, Tsutomu Takeya, Tomoharu Senboku |
2024-07-16 |
| 12028109 |
Adaptive equalizer, equalization method, and optical communication system |
Mitsuteru YOSHIDA, Tomoharu Semboku, Tsutomu Takeya |
2024-07-02 |
| 11611395 |
Adaptive equalization device, adaptive equalization method, and communication device |
Mitsuteru YOSHIDA, Tsutomu Takeya, Kazuhito Takei, Katsuichi Oyama, Tomoharu Semboku |
2023-03-21 |
| 11121778 |
Phase variation compensation device, phase variation compensation method and communication device |
Mitsuteru YOSHIDA, Tsutomu Takeya, Katsuichi Oyama, Hiroyuki Nouchi, Atsushi Suenaga |
2021-09-14 |
| 10608743 |
Transmission characteristic compensation apparatus, transmission characteristic compensation method, and communication apparatus |
Etsushi Yamazaki, Katsuichi Oyama, Yasuharu Onuma, Kazuhito Takei, Masanori Nakamura +3 more |
2020-03-31 |
| 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 |