Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655133 | Exhaust gas purifier for internal combustion engine | Akira Mikami, Shinya Hirota, Kazuhiro Itoh, Takamitsu Asanuma, Koichi Kimura +4 more | 2003-12-02 |
| 6634345 | Internal combustion engine and method for controlling the internal combustion engine | Kouji Yoshizaki, Shizuo Sasaki, Masato Gotoh | 2003-10-21 |
| 6591818 | Internal combustion engine and method for recirculating exhaust gas | Shizuo Sasaki, Kouji Yoshizaki, Masato Gotoh | 2003-07-15 |