Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5261381 | Ignition coil unit for internal combustion engine | Akimitsu Sugiura | 1993-11-16 |
| 5237982 | Ignition apparatus for internal-combustion engine | Hideo Asakura | 1993-08-24 |