Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490857 | Device for purifying the exhaust gas of an internal combustion engine | — | 2002-12-10 |
| 6470850 | Internal combustion engine | Takekazu Ito | 2002-10-29 |
| RE37714 | Combustion chamber structure for an internal combustion engine | Takanori Ueda, Takeshi Okumura | 2002-05-28 |
| 6378297 | Air-fuel control system for exhaust gas purification on ice | Takekazu Ito | 2002-04-30 |