Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434928 | Apparatus and method of purification of exhaust emission of internal combustion engine | — | 2002-08-20 |
| 6397582 | Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine | Hiroshi Hanaoka, Osamu Kuroda, Ryouta Doi, Hidehiro Iizuka, Toshio Ogawa +6 more | 2002-06-04 |