Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666019 | Exhaust emission control system of internal combustion engine | Toru Kawatani, Kihoko Kaita, Shinichi Saito, Takeshi Hashizume, Junya Watanabe +2 more | 2003-12-23 |
| 6634170 | Exhaust emission control system of internal combustion engine | Satoshi Hiranuma, Kihoko Kaita, Shinichi Saito, Takeshi Hashizume, Junya Watanabe +2 more | 2003-10-21 |