Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392992 | Exhaust gas cleaning system and monitoring method of the same | Seung Eun Moon, Tae Hyung Kim, Nam-Il Choi | 2019-08-27 |
| 9599002 | Engine control method for maintaining performance of oxidation catalyst | Nam-Il Choi, Jun Hee Won, Tae Hyung Kim | 2017-03-21 |