Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804952 | Catalyst warm up control for diesel engine | Kouji Yoshizaki, Nobuki Kobayashi, Yoshiki Hashimoto | 2004-10-19 |
| 6715474 | Internal combustion engine | Masato Gotoh, Takekazu Ito, Kouji Yoshizaki, Hiroki Murata | 2004-04-06 |
| 6672050 | Exhaust gas purification device of an engine | Hiroki Murata, Toshio Suematsu, Kohei Igarashi, Shinya Hirota, Kazuhiro Itoh +5 more | 2004-01-06 |
| 6672989 | Direct injection type engine | Hiroki Murata, Kohei Igarashi | 2004-01-06 |