Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835533 | Vehicle-use locking and unlocking system | — | 1989-05-30 |
| 4827744 | Vehicle use lock system | Hirotoshi Namazue | 1989-05-09 |
| 4811013 | Vehicle use-locking and unlocking system | — | 1989-03-07 |