Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7082362 | Cylinder identification device for internal combustion engine | — | 2006-07-25 |
| 6470854 | Air-fuel ratio control with improved fuel supply operation immediately after complete combustion of mixture | Yasuo Hirata | 2002-10-29 |
| 6367455 | Fuel supply amount controller for internal combustion engine | Yasuo Hirata | 2002-04-09 |
| 5507265 | Compensation method and apparatus for fuel injection amount during engine warm-up | Yasuhisa Ichikawa | 1996-04-16 |
| 5331934 | Spark timing control system for a vehicle-driving internal combustion engine | Kouichi Aoyama, Shuziro Morinaga, Shigenori Isomura, Toshio Kondo | 1994-07-26 |