Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697340 | After treatment system and after treatment method for lean-burn engine | Nahm Roh Joo, Chang Hwan Kim, Changho Jung | 2020-06-30 |
| 9194305 | Engine having continuous variable timing device | Young Oh, Jin Hong Kim, Il Joong Hwang, Jinnam Kim | 2015-11-24 |
| 9169745 | Engine having continuously variable valve timing mechanism | Young Oh, Dongheon Park, Yoonho Cho, 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, Yoonho Cho, Il Joong Hwang | 2015-08-25 |