Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7816300 | Catalyst for purifying exhaust gas | Michihiko Takeuchi, Hirotaka Ori, Takeru Yoshida, Kazunobu Ishibashi | 2010-10-19 |
| 7229947 | Catalyst for hydrogen generation and catalyst for purifying of exhaust gas | Naoyuki Hara | 2007-06-12 |
| 7220702 | Exhaust gas purification catalyst | Naoyuki Hara | 2007-05-22 |
| 7056859 | Catalyst for purifying exhaust gases | — | 2006-06-06 |
| 6461579 | Catalyst for purifying exhaust gas and exhaust gas purifying method | Yasuo Ikeda | 2002-10-08 |