Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477830 | Fault determining apparatus for exhaust passage switching valve | Masaki Ueno, Masahiro Sato, Tetsuo Endo | 2002-11-12 |
| 6367245 | Method of evaluating deteriorated state of exhaust gas adsorbent | Yuji Yasui, Tetsuo Endo, Tadashi Sato | 2002-04-09 |
| 6334304 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Kei Machida, Tetsuo Endo, Yuji Yasui | 2002-01-01 |