Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923169 | Exhaust gas purifying apparatus of internal combustion engine and activation control method for the same | Hiroyasu Koyama, Kaoru Ohtsuka | 2005-08-02 |
| 6901906 | Apparatus and method for controlling air-fuel ratio in direct-injection internal combustion engine | Yuichi Goto, Kazuhiro Iwahashi | 2005-06-07 |