Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921706 | NOx sensor diagnostic device and exhaust gas purifying system using the device | — | 2011-04-12 |
| 4705000 | Apparatus and method for controlling amount of fuel injected into engine cylinders | Toshimi Matsumura, Takahiro Hayakawa, Takashi Hasegawa, Shuji Sakakibara | 1987-11-10 |
| 4667634 | Method and apparatus for controlling amount of fuel injected into engine cylinders | Toshimi Matsumura, Takashi Hasegawa, Takahiro Hayakawa, Shuji Sakakibara | 1987-05-26 |