Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10906032 | Exhaust gas treatment catalysts | Xiaolai Zheng, Michel Deeba, Xiaofan Yang, Qi Fu, Knut Wassermann +2 more | 2021-02-02 |
| 9079162 | Fe-BEA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOX in gas streams | Susanne Stiebels, Claudia Wendt, Torsten Neubauer, Edith Schneider, Ryuji Ando +2 more | 2015-07-14 |
| 8796171 | Denitration catalyst composition and method of denitration using same | Takehiro Fujimura | 2014-08-05 |
| 8636959 | Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same | Ryuji Ando, Takashi Hihara, Makoto Nagata | 2014-01-28 |
| 8187995 | Cerium/zirconium-base composite oxide, method for producing the same, oxygen storage/release component using said cerium-zirconium-base composite oxide, exhaust gas purification catalyst, and exhaust gas purification method using the same | Takahiro Wakita, Akira Kohara, Hiroaki Omoto | 2012-05-29 |
| 7906449 | Selective catalytic reduction type catalyst | Ryuji Ando, Takashi Hihara, Makoto Nagata | 2011-03-15 |
| 7871956 | Cerium/zirconium-base composite oxide, method for producing the same, oxygen storage/release component using said cerium-zirconium-base composite oxide, exhaust gas purification catalyst, and exhaust gas purification method using the same | Takahiro Wakita, Akira Kohara, Hiroaki Omoto | 2011-01-18 |
| 5609839 | No.sub.x removal catalyst and method of purifying exhaust gas by using the same | Takashi Itoh, Yukio Kosaki, Takeshi Chonan, Takashi Matsuda, Masao Wakabayashi +1 more | 1997-03-11 |
| 5559072 | No.sub.x removal catalyst and method of purifying exhaust gas by using the same | Takashi Itoh, Yukio Kosaki, Takeshi Chonan, Takashi Matsuda, Masao Wakabayashi +1 more | 1996-09-24 |