Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11990988 | Optical transmission system and optical transmission device | Yoshito Kachita, Tomohiro Yamauchi | 2024-05-21 |
| 11309968 | Optical transmission device and optical transmission method | Anh Ha Ngo, Takafumi Terahara, Hisao Nakashima | 2022-04-19 |