Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896857 | Exhaust gas purifying catalyst and method for manufacturing the same | Katsuo Suga | 2005-05-24 |
| 6866834 | NOx reduction catalyst and NOx reduction system | Katsuo Suga | 2005-03-15 |