Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609506 | Exhaust gas recirculation system | Hiromi Matsuura, Takahiro Shinkai, Takuji Yamamoto | 2003-08-26 |
| 6598583 | Gasoline direct injection engine | Naoaki Takeda, Yutaka Kohda | 2003-07-29 |
| 6553978 | Air pollution preventing device in internal combustion engine | — | 2003-04-29 |