Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487754 | Variable-compression-ratio engine | — | 2019-11-26 |
| 10443490 | Variable compression ratio engine | — | 2019-10-15 |
| 10344630 | Variable valve control system having common valve and engine system having the same | Young Hong Kwak | 2019-07-09 |
| 10273837 | System for controlling variable valve apparatus and oil control valve for the same | Young Hong Kwak | 2019-04-30 |