Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7367311 | Control system for compression ignition internal combustion engine | Akikazu Kojima, Hiroshi Haraguchi | 2008-05-06 |
| 7254473 | Compression ignition engine control apparatus ensuring desired output of torque | Akikazu Kojima, Hiroshi Haraguchi | 2007-08-07 |
| 7146964 | Engine control system | Hiroshi Haraguchi, Akira Umehara, Eiji Takemoto | 2006-12-12 |