Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519818 | Valve duration control apparatus and engine provided with the same | Kyoung Pyo Ha, You Sang Son | 2019-12-31 |
| 10309273 | Variable valve duration/variable valve lift system and engine provided with the same | — | 2019-06-04 |
| 10174645 | Variable valve duration system and engine provided with the same | Kyoung Pyo Ha, You Sang Son | 2019-01-08 |