Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686231 | LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same | Isao Tan, Shunsuke Fukutomi, Takehiro Fujimura, Shuya Omata | 2023-06-27 |
| 11598238 | Exhaust gas purification device | — | 2023-03-07 |