Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655337 | V-type 2-cylinder engine | Micho Hirano, Tetsuaki Shirai | 2003-12-02 |
| 6626153 | Fuel injection engine | Micho Hirano, Tetsuaki Shirai | 2003-09-30 |
| 6523506 | Water-cooled V-type engine with two cylinders | Michio Hirano, Tetsuaki Shirai, Yukio Miki | 2003-02-25 |
| 6510823 | Two-cylinder overhead-valve V-engine | Michio Hirano | 2003-01-28 |