Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715474 | Internal combustion engine | Shizuo Sasaki, Takekazu Ito, Kouji Yoshizaki, Hiroki Murata | 2004-04-06 |
| 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, Takekazu Ito | 2003-10-21 |
| 6591818 | Internal combustion engine and method for recirculating exhaust gas | Shizuo Sasaki, Kouji Yoshizaki, Takekazu Ito | 2003-07-15 |
| 6240721 | Internal combustion engine and method for controlling an internal combustion engine | Takekazu Ito, Shizuo Sasaki, Kouji Yoshizaki, Hiroki Murata | 2001-06-05 |
| 6216676 | Internal combustion engine system | Shizuo Sasaki, Kouji Yoshizaki, Takekazu Ito, Hiroki Murata | 2001-04-17 |
| 6209515 | Internal combustion engine, controller and method | Shizuo Sasaki, Kouji Yoshizaki, Takekazu Ito, Hiroki Murata | 2001-04-03 |
| 6152118 | Internal combustion engine | Shizuo Sasaki, Takekazu Ito, Kouji Yoshizaki, Hiroki Murata, Tsukasa Abe | 2000-11-28 |
| 6016788 | Fuel injection control system for a diesel engine | Kazuya Kibe, Tatsuji Mizuno | 2000-01-25 |
| 5987884 | Exhaust gas purification device | Kazuya Kibe, Tatsuji Mizuno, Kouichi Akita | 1999-11-23 |
| 5983630 | Fuel injecting device for an engine | Kazuya Kibe, Tatsuji Mizuno, Ichiro Sakata | 1999-11-16 |
| 5974794 | Exhaust gas purification device for an internal combustion engine | Kenji Katoh, Takamitsu Asanuma | 1999-11-02 |
| 5848529 | Apparatus and method for purifying exhaust gas in an internal combustion engine | Kenji Katoh, Takamitsu Asanuma | 1998-12-15 |
| 5483795 | Exhaust purification device of internal combustion engine | Kenji Katoh, Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi +9 more | 1996-01-16 |
| 5423181 | Exhaust gas purification device of an engine | Kenji Katoh, Satoshi Iguchi, Tetsuro Kihara, Shinichi Takeshima, Takamitsu Asanuma +1 more | 1995-06-13 |