Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074613 | Variable compression ratio apparatus | Jin Kook Kong, Young-Nam Kim | 2011-12-13 |
| 7992530 | Continuous variable valve lift device | — | 2011-08-09 |
| 7966980 | Variable compression ratio apparatus | Jei Choon Yang, Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong, Soo Hyung Woo +1 more | 2011-06-28 |
| 7905207 | Variable valve lift apparatus | Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong, Soo Hyung Woo, Kyoung Joon Chang | 2011-03-15 |