Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987826 | Variable valve lift apparatus | Young Hong Kwak, Ki Uk Shin, Jin Kook Kong | 2011-08-02 |
| 7966980 | Variable compression ratio apparatus | Eun Ho Lee, Jei Choon Yang, Young Hong Kwak, Jin Kook Kong, Soo Hyung Woo +1 more | 2011-06-28 |
| 7950360 | Continuous variable valve lift apparatus | Young Hong Kwak, Jin Kook Kong, Kyoung Joon Chang | 2011-05-31 |
| 7918202 | Variable valve lift apparatus | Young Hong Kwak, Ki Uk Shin, Jin Kook Kong, Kyoung Joon Chang | 2011-04-05 |
| 7905207 | Variable valve lift apparatus | Eun Ho Lee, Young Hong Kwak, Jin Kook Kong, Soo Hyung Woo, Kyoung Joon Chang | 2011-03-15 |