Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634345 | Internal combustion engine and method for controlling the internal combustion engine | Kouji Yoshizaki, Masato Gotoh, Takekazu Ito | 2003-10-21 |
| 6591818 | Internal combustion engine and method for recirculating exhaust gas | Kouji Yoshizaki, Masato Gotoh, Takekazu Ito | 2003-07-15 |
| 6581372 | Compression ignition type engine | Kohei Igarashi, Hiroki Murata | 2003-06-24 |
| 6516609 | Compression ignition type engine | Kohei Igarashi, Hiroki Murata | 2003-02-11 |
| 6490857 | Device for purifying the exhaust gas of an internal combustion engine | — | 2002-12-10 |
| 6470850 | Internal combustion engine | Takekazu Ito | 2002-10-29 |
| RE37714 | Combustion chamber structure for an internal combustion engine | Takanori Ueda, Takeshi Okumura | 2002-05-28 |
| 6378297 | Air-fuel control system for exhaust gas purification on ice | Takekazu Ito | 2002-04-30 |
| 6276130 | Internal combustion engine | Takekazu Ito, Kouji Yoshizaki | 2001-08-21 |
| 6240723 | Compression ignition type engine | Takekazu Ito, Satoshi Iguchi, Tsukasa Abe | 2001-06-05 |
| 6240721 | Internal combustion engine and method for controlling an internal combustion engine | Takekazu Ito, Kouji Yoshizaki, Masato Gotoh, Hiroki Murata | 2001-06-05 |
| 6216676 | Internal combustion engine system | Masato Gotoh, Kouji Yoshizaki, Takekazu Ito, Hiroki Murata | 2001-04-17 |
| 6209515 | Internal combustion engine, controller and method | Masato Gotoh, Kouji Yoshizaki, Takekazu Ito, Hiroki Murata | 2001-04-03 |
| 6152118 | Internal combustion engine | Masato Gotoh, Takekazu Ito, Kouji Yoshizaki, Hiroki Murata, Tsukasa Abe | 2000-11-28 |
| 6142119 | Compression ignition type engine | Tsukasa Abe, Shinji Ikeda, Takekazu Ito | 2000-11-07 |
| 6131388 | Compression ignition type engine | Satoshi Iguchi, Takekazu Ito, Tsukasa Abe | 2000-10-17 |
| 6129075 | Compression ignition type engine | Hiroki Murata | 2000-10-10 |
| 6109025 | Compression ignition type engine | Hiroki Murata | 2000-08-29 |
| 6055968 | Engine | Satoshi Iguchi, Takekazu Ito, Tsukasa Abe | 2000-05-02 |
| 5937639 | Internal combustion engine | Takekazu Ito | 1999-08-17 |
| 5890360 | Compression ignition type engine | Satoshi Iguchi, Takekazu Ito, Tsukasa Abe | 1999-04-06 |
| 5819700 | Combustion chamber structure for an internal combustion engine | Takanori Ueda, Takeshi Okumura | 1998-10-13 |
| 5732554 | Exhaust gas purification device for an internal combustion engine | Satoshi Iguchi, Kenji Katoh | 1998-03-31 |
| 5704333 | Fuel injection system for a lean burn engine | Takeshi Okumura, Shigeo Furuno | 1998-01-06 |
| 5505173 | Spark ignition engine with a fuel injector for injecting fuel directly into the cylinder | Takanori Ueda | 1996-04-09 |