Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634170 | Exhaust emission control system of internal combustion engine | Satoshi Hiranuma, Shinichi Saito, Takeshi Hashizume, Junya Watanabe, Kenji Kawai +2 more | 2003-10-21 |