Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5163403 | Ignition timing control system for internal combustion engines | Hiroshi Kitagawa, Kojiro Tsutsumi, Sachito Fujimoto | 1992-11-17 |
| 5070841 | Ignition timing control system for internal combustion engine | Sachito Fujimoto, Akira Kato | 1991-12-10 |