Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9169745 | Engine having continuously variable valve timing mechanism | Young Oh, Chulho Yu, Dongheon Park, Il Joong Hwang, Dong Hoon Seok | 2015-10-27 |
| 9115651 | Method of controlling CVVT according to current control for oil control valve | Young Oh, Young-Joon Park, Chulho Yu, Il Joong Hwang | 2015-08-25 |
| 7849826 | Valve system | — | 2010-12-14 |