Issued Patents All Time
Showing 1–25 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165502 | Optical transmission device and optical transmission system | Yi Ge, Shoichiro Oda, Takeshi Hoshida | 2021-11-02 |
| 10873410 | Reception device and method of detecting supervisory control signal | Yi Ge, Takeshi Hoshida, Hisao Nakashima, Tomofumi Oyama | 2020-12-22 |
| 10498459 | Optical transmitter and skew compensation method | Yoshitaka Nomura, Tomofumi Oyama, Hisao Nakashima, Takeshi Hoshida | 2019-12-03 |
| 10419263 | Transmission system and method | Yi Ge, Takeshi Hoshida, Hisao Nakashima | 2019-09-17 |
| 10341027 | Optical transmitter and control method for optical transmitter | GUOXIU HUANG, Hisao Nakashima, Takeshi Hoshida | 2019-07-02 |
| 10219049 | Optical reception apparatus, optical transmission apparatus, optical communication system, and skew adjusting method | Yoshitaka Nomura, Hisao Nakashima, Tomofumi Oyama, Takeshi Hoshida | 2019-02-26 |
| 10090927 | Digital signal processing circuit and signal processing device that includes a plurality of digital signal processing circuits | Hisao Nakashima, Yoshitaka Nomura, Tomofumi Oyama, Yi Ge, Yoshio Hirose +1 more | 2018-10-02 |
| 10063322 | Optical transmitter and control method of optical transmitter | Hisao Nakashima | 2018-08-28 |
| 9989786 | Optical transmission device, optical modulator, and bias control method | Tomohiro Kaneoka, Hiroshi Ogiwara | 2018-06-05 |
| 9887798 | Transmission apparatus, reception apparatus and modulation method | Yoshitaka Nomura, Hisao Nakashima, Takeshi Hoshida | 2018-02-06 |
| 9859985 | Optical transmitter, optical transmission system and optical communication control method | — | 2018-01-02 |
| 9853739 | Optical transmitter and method for controlling bias of optical modulator | Hisao Nakashima, Takeshi Hoshida | 2017-12-26 |
| 9843396 | Optical transmitter, method for controlling optical modulator, and controller for optical modulator | — | 2017-12-12 |
| 9787396 | Optical transmission device, transmission system, and transmission method | Kiichi Sugitani, Takahito Tanimura, Hisao Nakashima | 2017-10-10 |
| 9667344 | Optical transmission apparatus and detection apparatus | — | 2017-05-30 |
| 9654224 | Optical transmission device, nonlinear distortion compensation method, and nonlinear distortion pre-equalization method | Tomofumi Oyama, Takahito Tanimura, Takeshi Hoshida, Hisao Nakashima | 2017-05-16 |
| 9654216 | Optical transmitter and waveform distortion correction method | Hisao Nakashima, Takahito Tanimura | 2017-05-16 |
| 9564975 | Optical transmission device, method of optical transmission, and non-transitory computer-readable medium | Takeshi Hoshida | 2017-02-07 |
| 9419720 | Optical signal transmitter | Hideyuki Miyata, Takeshi Hoshida | 2016-08-16 |
| 9350455 | Optical transmitter and bias control method of optical modulator | — | 2016-05-24 |
| 9240838 | Optical transmitter and method for controlling bias for optical modulator | Takeshi Hoshida | 2016-01-19 |
| 9130680 | Optical transmitter and modulated optical signal generating method | Takeshi Hoshida, Tamotsu Akashi, Yoshio Sakai | 2015-09-08 |
| 9014572 | Optical transmitter, control method for the same, and optical transmission system | — | 2015-04-21 |
| 8879925 | Optical transmitter and optical transmission method | Takeshi Hoshida | 2014-11-04 |
| 8867927 | Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them | Takeshi Hoshida, Akira Miura, Yutaka Kai, Hiroki Ooi, Jens Rasmussen +5 more | 2014-10-21 |