Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950360 | Continuous variable valve lift apparatus | Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong | 2011-05-31 |
| 7918202 | Variable valve lift apparatus | Young Hong Kwak, Kiyoung Kwon, Ki Uk Shin, Jin Kook Kong | 2011-04-05 |
| 7905207 | Variable valve lift apparatus | Eun Ho Lee, Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong, Soo Hyung Woo | 2011-03-15 |