Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499294 | Exhaust gas purification device for an internal combustion engine | Takaaki Itou, Hiroshi Tanaka, Shuichi Kubo, Yoshiyuki Mandokoro, Masahiro Taki | 2002-12-31 |
| 6477834 | Exhaust emission controlling apparatus of internal combustion engine | Takamitsu Asanuma, Masato Goto | 2002-11-12 |
| 6378298 | Exhaust purifying apparatus and method for internal combustion engine | Kenji Harima, Takaaki Itou, Hiroki Ichinose, Hiroshi Tanaka, Keiji Itou | 2002-04-30 |