Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12361813 | Server device, visitor notification system, visitor notification method, and storage medium | Kenichi Oosawa | 2025-07-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12361813 | Server device, visitor notification system, visitor notification method, and storage medium | Kenichi Oosawa | 2025-07-15 |