Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966980 | Variable compression ratio apparatus | Eun Ho Lee, Jei Choon Yang, Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong +1 more | 2011-06-28 |
| 7905207 | Variable valve lift apparatus | Eun Ho Lee, Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong, Kyoung Joon Chang | 2011-03-15 |