Issued Patents 2023
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11855760 | Transmission device, time transmission system, and delay compensation method | Kaoru Arai, Hiroki Sakuma, Shunichi Tsuboi | 2023-12-26 |
| 11791922 | Transmission device, time transmission system, and delay compensation method | Kaoru Arai, Hiroki Sakuma, Shunichi Tsuboi | 2023-10-17 |
| 11757554 | Optical branch insertion device and optical transmission system using optical branch insertion device | Kana Masumoto, Hidetoshi Onda | 2023-09-12 |
| 11750358 | Time transmission device and transmission method | Kaoru Arai, Hiroki Sakuma, Shunichi Tsuboi | 2023-09-05 |
| 11742976 | Optical branch insertion device and optical transmission system using optical branch insertion device | Kana Masumoto, Hidetoshi Onda | 2023-08-29 |
| 11722288 | Time synchronization path selection device and time synchronization path selection method | Kaoru Arai, Hiroki Sakuma, Shunichi Tsuboi | 2023-08-08 |
| 11705656 | Connecter terminal structure | Syoichi Nomura, Hideki Mizuno, Yasuhiro Yamaguchi | 2023-07-18 |
| 11652563 | Optical demultiplexer, optical separation device, optical transmission system, and optical transmission method | Kana Masumoto, Hidetoshi Onda | 2023-05-16 |
| 11638228 | Time comparison device and time quality monitoring method | Kaoru Arai, Hiroki Sakuma, Shunichi Tsuboi | 2023-04-25 |