Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443464 | Catalyst oxygen purge control apparatus and method | Jin Woo Choung, Chang Hwan Kim, Soomin Lee | 2019-10-15 |
| 10208640 | Exhaust gas purification apparatus and method for controlling the same | Jin Woo Choung, Soomin Lee | 2019-02-19 |
| 10208688 | Exhaust gas purification apparatus and method for controlling the same | Jin Woo Choung, Soomin Lee | 2019-02-19 |