Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666019 | Exhaust emission control system of internal combustion engine | Toru Kawatani, Kihoko Kaita, Shinichi Saito, Takeshi Hashizume, Kenji Kawai +2 more | 2003-12-23 |
| 6668017 | Apparatus and method for detecting additional information | — | 2003-12-23 |
| 6634170 | Exhaust emission control system of internal combustion engine | Satoshi Hiranuma, Kihoko Kaita, Shinichi Saito, Takeshi Hashizume, Kenji Kawai +2 more | 2003-10-21 |