Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11990954 | Wearable key device and electronic key system | Yoichi Kato, Kenji Kato | 2024-05-21 |
| 11886566 | Vehicle authentication system and in-vehicle device | Toru Yamaguchi, Kenji Kato | 2024-01-30 |