Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643137 | Engine construction | Shin Hiraoka | 1987-02-17 |
| 4615324 | Exhaust gas recirculation system for a V-type engine | Haruyoshi Ishimi | 1986-10-07 |
| 4516546 | V-Type overhead-camshaft engine | Tetsuji Yahiro | 1985-05-14 |