Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11316588 | Wavelength dispersion compensation apparatus, wavelength dispersion compensation method, and optical receiving apparatus | Etsushi Yamazaki, Seiji Okamoto, Yoshiaki Kisaka | 2022-04-26 |
| 11245487 | Optical transmission control method and optical transmission system | Fukutaro HAMAOKA, Seiji Okamoto, Yoshiaki Kisaka | 2022-02-08 |