Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715474 | Internal combustion engine | Shizuo Sasaki, Masato Gotoh, Takekazu Ito, Kouji Yoshizaki | 2004-04-06 |
| 6672050 | Exhaust gas purification device of an engine | Toshio Suematsu, Shizuo Sasaki, Kohei Igarashi, Shinya Hirota, Kazuhiro Itoh +5 more | 2004-01-06 |
| 6672989 | Direct injection type engine | Shizuo Sasaki, Kohei Igarashi | 2004-01-06 |