Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823722 | Adsorbent state determining apparatus | Hideharu Yamazaki, Masaki Ueno | 2004-11-30 |
| 6820416 | Exhaust emission control system for an internal combustion engine | Masaki Ueno, Shiro Takakura | 2004-11-23 |
| 6799420 | Method of evaluating deteriorated state of hydrocarbon adsorbent | Masaki Ueno, Tetsuo Endo, Hideharu Yamazaki, Shiro Takakura, Yasuyuki Miyahara +1 more | 2004-10-05 |