Issued Patents 2023
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11855760 | Transmission device, time transmission system, and delay compensation method | Masahiro Nakagawa, Kaoru Arai, Shunichi Tsuboi | 2023-12-26 |
| 11815552 | Clock frequency monitoring device and clock frequency monitoring method | Takaaki Hisashima, Kaoru Arai, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2023-11-14 |
| 11791922 | Transmission device, time transmission system, and delay compensation method | Masahiro Nakagawa, Kaoru Arai, Shunichi Tsuboi | 2023-10-17 |
| 11750358 | Time transmission device and transmission method | Masahiro Nakagawa, Kaoru Arai, Shunichi Tsuboi | 2023-09-05 |
| 11722288 | Time synchronization path selection device and time synchronization path selection method | Kaoru Arai, Masahiro Nakagawa, Shunichi Tsuboi | 2023-08-08 |
| 11695473 | Time comparison system, time comparison device, and time comparison method | Kaoru Arai, Ryuta Sugiyama | 2023-07-04 |
| 11638228 | Time comparison device and time quality monitoring method | Kaoru Arai, Masahiro Nakagawa, Shunichi Tsuboi | 2023-04-25 |