Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355493 | Signal converting apparatus and signal converting method | Akihiro Tanabe, Yoichi FUKADA, Tomoaki Yoshida | 2025-07-08 |
| 12283990 | Optical communication system | Kyo MINOGUCHI, Tomoaki Yoshida | 2025-04-22 |
| 12267151 | Communication network terminating device, communication system, signal jamming method and signal jamming program | Akihiro Tanabe, Takashi Mitsui, Tomoaki Yoshida | 2025-04-01 |
| 12224795 | Optical transmission system and transmission quality monitoring method | Tomoaki Yoshida, Akihiro Tanabe, Takashi Mitsui | 2025-02-11 |
| 12199671 | Optical transmission system and optical transmission method | Kyo MINOGUCHI, Tomoaki Yoshida | 2025-01-14 |
| 12155411 | Optical transmission apparatus and optical transmission method | Akihiro Tanabe, Takashi Mitsui, Tomoaki Yoshida | 2024-11-26 |
| 11949460 | Optical communication system, optical line termination apparatus and optical communication control method | Kyo MINOGUCHI, Tomoaki Yoshida | 2024-04-02 |
| 11929787 | Optical transmission apparatus and optical transmission method | Akihiro Tanabe, Takashi Mitsui, Tomoaki Yoshida | 2024-03-12 |
| 11575443 | Optical transmission system and output adjustment apparatus | Takashi Mitsui, Akihiro Tanabe, Kengo Horikoshi, Hisao YOSHINAGA | 2023-02-07 |
| 11444716 | Optical transmission system and carrier monitoring apparatus | Takashi Mitsui | 2022-09-13 |