Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11956018 | Quantizer and optical transmitter | Hisao Nakashima | 2024-04-09 |
| 11460750 | Optical modulator and control method of optical modulator | Hisao Nakashima | 2022-10-04 |
| 11303483 | Transmission device and transmission method | Hisao Nakashima | 2022-04-12 |
| 10425166 | Optical transmitter, optical transmission apparatus, and optical modulation method | Tomohiro Yamauchi, Tomofumi Oyama, Takahito Tanimura, Takeshi Hoshida | 2019-09-24 |
| 10396900 | Communication apparatus and method of controlling transmission signal | Setsuo Yoshida, Takeshi Hoshida, Hisao Nakashima, Shoichiro Oda | 2019-08-27 |
| 10341027 | Optical transmitter and control method for optical transmitter | Hisao Nakashima, Yuichi Akiyama, Takeshi Hoshida | 2019-07-02 |
| 10230463 | Transmission device and method for measuring optical transmission characteristics | Yasuhiko Aoki, Shoichiro Oda, Zhenning Tao, Setsuo Yoshida, Kyosuke Sone | 2019-03-12 |
| 9887774 | Device and method for monitoring transmission characteristics | Yasuhiko Aoki, Shoichiro Oda, Setsuo Yoshida | 2018-02-06 |
| 9838148 | Optical receiver and superimposed signal detecting method | Goji Nakagawa, Tomohiro Yamauchi, Setsuo Yoshida, Shoichiro Oda, Kyosuke Sone +1 more | 2017-12-05 |