Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499474 | Air/fuel ratio control apparatus for internal combustion engine | Hideaki Katashiba, Li H. Liu, Hiromichi Hisato | 2002-12-31 |
| 6345498 | Exhaust gas purifier for internal combustion engine | Tosiaki Yonekura, Hideaki Katashiba, Hirofumi Ohuchi | 2002-02-12 |