Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7070173 | Carburetor air-fuel mixture adjustment assembly | Paul J. Dow, Hiroki Ogasawara, Tetsuya Takahashi, Toshimasa Takahashi | 2006-07-04 |
| 6672570 | Variable venturi carburetor | Jun Takano, Hitoshi Terakado | 2004-01-06 |