Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11791906 | Optical demultiplexing device and transmission device | Tomoyuki Akiyama, Shinsuke Tanaka | 2023-10-17 |
| 11588572 | Wavelength converter and optical transmission device that includes wavelength converter | Tomoyuki Kato, Shigeki Watanabe | 2023-02-21 |
| 11558121 | Optical transmitter and control method for optical transmitter | Setsuo Yoshida, Shoichiro Oda, Kazuyuki Tajima, Takahito Tanimura | 2023-01-17 |