Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502454 | Ignition system for an internal combustion engine | Kyugo Hamai, Meroji Nakai, Yasuhiko Nakagawa | 1985-03-05 |
| 4497306 | Ignition system for an internal combustion engine | Kyugo Hamai, Yasuhiko Nakagawa, Meroji Nakai | 1985-02-05 |