Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458357 | Method for diagnosing and controlling two-step exhaust variable valve lift system and vehicle provided with the same method | Jangsu LEE | 2019-10-29 |
| 9890748 | Method for calculating oxygen concentration in combustion chamber | Jangsu LEE | 2018-02-13 |