Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190292 | Wavelength converter and optical transmission device that includes wavelength converter | Tomoyuki Kato, Shigeki Watanabe | 2021-11-30 |
| 11163119 | Wavelength conversion device and method of performing wavelength conversion | Tomohiro Yamauchi, Tomoyuki Kato, Goji Nakagawa | 2021-11-02 |
| 11165502 | Optical transmission device and optical transmission system | Yi Ge, Shoichiro Oda, Yuichi Akiyama | 2021-11-02 |
| 10999659 | Optical network device and method for monitoring transmission line | Kazuyuki Tajima, Takahito Tanimura, Setsuo Yoshida | 2021-05-04 |
| 10955727 | Wavelength converter and transmission apparatus | Goji Nakagawa, Tomoyuki Kato, Masaaki Kawai | 2021-03-23 |
| 10948802 | Wavelength converter apparatus and method of performing wavelength conversion | Goji Nakagawa, Tomoyuki Kato | 2021-03-16 |