Issued Patents 2019
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10396900 | Communication apparatus and method of controlling transmission signal | GUOXIU HUANG, Setsuo Yoshida, Takeshi Hoshida, Hisao Nakashima | 2019-08-27 |
| 10389437 | Device and method for measuring optical signal-to-noise ratio | Setsuo Yoshida | 2019-08-20 |
| 10374701 | Optical signal-to-noise ratio measuring device and optical signal-to-noise ratio measuring method | Setsuo Yoshida, Keisuke Harada | 2019-08-06 |
| 10374703 | Transmission device and signal monitoring method | Takeshi Hoshida, Hisao Nakashima, Yi Ge | 2019-08-06 |
| 10256903 | Network controller and signal quality estimating method | Yasuhiko Aoki, Takeshi Hoshida, Hisao Nakashima, Hiroki Oi | 2019-04-09 |
| 10230463 | Transmission device and method for measuring optical transmission characteristics | GUOXIU HUANG, Yasuhiko Aoki, Zhenning Tao, Setsuo Yoshida, Kyosuke Sone | 2019-03-12 |
| 10230462 | Optical transmission characteristic measurement device and method | Toru Katagiri, Satoru Okano, Masatake Miyabe, Yasuhiko Aoki | 2019-03-12 |
| 10177843 | Network control apparatus and transmission quality margin calculation method | Tomohiro Yamauchi | 2019-01-08 |
| 10171163 | Signal quality measurement device and signal quality measurement method | — | 2019-01-01 |