Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761980 | Metallic catalyst carrier | Shin Sato, Ken Oouchi | 2004-07-13 |
| 6691508 | Air-fuel ratio control system for internal combustion engine | Kenichi Sato, Kengo Kubo | 2004-02-17 |
| 6685888 | Monolith supporting structure for use in catalytic converter | Katsuhiro Shibata, Ken Oouchi, Hidetoshi Itou | 2004-02-03 |
| 6679050 | Exhaust emission control device for internal combustion engine | Hideaki Takahashi | 2004-01-20 |