Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840868 | Vehicle door lock device | Takumi Hayashi, Yasuhiko Sono | 2023-12-12 |
| 11591832 | Vehicle door lock device | Naoki KAJIGAI, Kazunori Kojima, Takumi Hayashi, Yasuhiko Sono | 2023-02-28 |
| 11486174 | Vehicular door lock device | Yasuhiko Sono, Takumi Hayashi | 2022-11-01 |