Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620392 | Catalyst for purifying exhaust gas and method for purifying exhaust gas with the catalyst | Kenji Okamoto, Akihide Takami, Hiroshi Yamada | 2003-09-16 |
| 6562753 | Device for purifying exhaust gas, method for purifying exhaust gas, catalyst for purifying exhaust gas, and method for manufacturing exhaust gas purifying catalyst | Akihide Takami, Makoto Kyougoku, Hiroshi Yamada, Kenji Okamoto, Kenichi Yamamoto +1 more | 2003-05-13 |