Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11461736 | Presence status display system and presence status display method | Takeshi Fujimatsu | 2022-10-04 |
| 11335173 | Tracking assistance device, tracking assistance system, and tracking assistance method | Takeshi Fujimatsu | 2022-05-17 |