Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308890 | Optical power reception apparatus, communication apparatus and optical power reception method | Hiroaki Katsurai, Yoichi FUKADA, Tomoaki Yoshida | 2025-05-20 |
| 12283990 | Optical communication system | Toshiaki SHITABA, Tomoaki Yoshida | 2025-04-22 |
| 12199671 | Optical transmission system and optical transmission method | Toshiaki SHITABA, Tomoaki Yoshida | 2025-01-14 |
| 11949460 | Optical communication system, optical line termination apparatus and optical communication control method | Tomoaki Yoshida, Toshiaki SHITABA | 2024-04-02 |
| 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 |