Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456609 | Plug cap device for internal combustion engine | — | 1995-10-10 |
| 5421736 | Construction for retaining coiled spring of high-voltage terminal in engine ignition system | Keiichi Nakajima, Tadashi Fujita | 1995-06-06 |
| 5382170 | Coupling construction | — | 1995-01-17 |
| 5340323 | Coil spring engagement construction of a high tension terminal in an engine ignition apparatus | Keiichi Nakajima | 1994-08-23 |