Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9180432 | NOx storage and reduction catalyst, preparation method, and NOx removing system | In-Sik Nam, Sang Jun Park, Jin Ha Lee | 2015-11-10 |
| 8393145 | Exhaust gas post processing method and system | — | 2013-03-12 |