Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8078392 | Unburned fuel amount-estimating device in engine and temperature-estimating device of exhaust emission purifier | Shinichirou Okugawa, Tsutomu Soga | 2011-12-13 |
| 7998261 | Exhaust gas purifying apparatus | Youhei Morimoto, Tsukasa Kuboshima | 2011-08-16 |
| 7930879 | Control device for internal combustion engine | Shinichirou Okugawa, Kazuo Kojima, Atsushi Takano | 2011-04-26 |