Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686231 | LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same | Yasuyoshi SASAKI, Isao Tan, Shunsuke Fukutomi, Shuya Omata | 2023-06-27 |
| 9061266 | Exhaust gas purifying catalyst | Yoshinori Takahashi | 2015-06-23 |
| 8796171 | Denitration catalyst composition and method of denitration using same | Yasuharu Kanno | 2014-08-05 |