Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927923 | Time synchronization system, management device, time synchronization method, and program | Hiroki Sakuma, Kaoru Arai, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2024-03-12 |
| 11815552 | Clock frequency monitoring device and clock frequency monitoring method | Hiroki Sakuma, Kaoru Arai, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2023-11-14 |
| 11240141 | Time path selection device and time path selection method | Ryuta Sugiyama, Kaoru Arai, Hiroki Sakuma, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2022-02-01 |
| 11196499 | Time synchronization device and time synchronization method | Kaoru Arai, Hiroki Sakuma, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2021-12-07 |
| 11196533 | Time synchronization system and time synchronization method | Hiroki Sakuma, Kaoru Arai, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2021-12-07 |
| 11196535 | Time synchronization system and time synchronization method | Hiroki Sakuma, Kaoru Arai, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2021-12-07 |