Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852061 | Vehicle exhaust gas reduction system and method thereof | — | 2023-12-26 |
| 9617896 | Catalytic converter and fabrication method thereof | — | 2017-04-11 |
| 9468889 | Exhaust gas treatment system | Hyokyung Lee | 2016-10-18 |
| 9458749 | Catalyst unit | — | 2016-10-04 |
| 9046023 | Catalytic converter and fabrication method thereof | — | 2015-06-02 |