Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |