Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499294 | Exhaust gas purification device for an internal combustion engine | Kenji Katoh, Hiroshi Tanaka, Shuichi Kubo, Yoshiyuki Mandokoro, Masahiro Taki | 2002-12-31 |
| 6409973 | Exhaust gas purification device for an engine | Yukio Kinugasa, Toshifumi Takaoka, Kouhei Igarashi | 2002-06-25 |
| 6378298 | Exhaust purifying apparatus and method for internal combustion engine | Kenji Harima, Hiroki Ichinose, Kenji Katoh, Hiroshi Tanaka, Keiji Itou | 2002-04-30 |
| 6345496 | Method and device for purifying exhaust gas of an engine | Naohide Fuwa, Hiroshi Tanaka, Yukio Kinugasa, Naoto Suzuki, Takehisa Yaegashi +2 more | 2002-02-12 |