Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8468990 | Continuously variable valve timing apparatus | Jei Choon Yang, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim | 2013-06-25 |
| 8468984 | Variable compression ratio apparatus | Ju Hun Lee, Dong-Seok Lee, Jei Choon Yang, Eun Ho Lee, Jin Kook Kong +1 more | 2013-06-25 |
| 8464677 | Variable valve lift apparatus | Young Hong Kwak, Gee Wook Shin, Yoonsik Woo, Jin Kook Kong, Soo Hyung Woo | 2013-06-18 |
| 8464676 | Variable valve timing apparatus | Jei Choon Yang, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim | 2013-06-18 |
| 8312852 | Variable tappet | Jei Choon Yang, Gee Wook Shin, Sang Won Kim, Jin Kook Kong, Soo Hyung Woo +2 more | 2012-11-20 |
| 8291875 | Continuously variable valve lift device for vehicle | Jei Choon Yang, Young Hong Kwak, Ki Young Kwon, Jin Kook Kong, Soo Hyung Woo +1 more | 2012-10-23 |
| 8245676 | Continuously variable valve lift device of engine | Jei Choon Yang, Young Hong Kwak, Ki Young Kwon, Jin Kook Kong, Soo Hyung Woo +1 more | 2012-08-21 |
| 8176891 | Multi-cylinder engine | — | 2012-05-15 |
| 7819098 | Variable valve timing apparatus and control method for the same | — | 2010-10-26 |