Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133304 | Cooling water passage for V-type internal combustion engine | Keiji Araki | 1992-07-28 |
| 4957079 | Camshaft structure for double overhead camshaft engine | Shigeki Nakatani, Hiroyuki Sugimoto | 1990-09-18 |
| 4915066 | Valve train for V-type double-overhead-camshaft engine | Shigeki Nakatani | 1990-04-10 |