Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815552 | Clock frequency monitoring device and clock frequency monitoring method | Takaaki Hisashima, Hiroki Sakuma, Kaoru Arai, Shunichi Tsuboi, Osamu Kurokawa +1 more | 2023-11-14 |
| 11695473 | Time comparison system, time comparison device, and time comparison method | Hiroki Sakuma, Kaoru Arai | 2023-07-04 |