Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9140147 | Multiple variable valve lift apparatus | Soo Hyung Woo, Young Hong Kwak, Byong Young Choi, Jin Kook Kong, Gee Wook Shin | 2015-09-22 |
| 8807101 | Variable valve lift apparatus | Byong Young Choi, Gee Wook Shin, Sang Won Kim, Jin Kook Kong, Soo Hyung Woo +1 more | 2014-08-19 |
| 8726861 | Variable valve lift apparatus | Byong Young Choi, Jin Kook Kong, Soo Hyung Woo, Young Hong Kwak, Gee Wook Shin +1 more | 2014-05-20 |
| 8616166 | Electric continuous variable valve timing apparatus | Byong Young Choi, Jin Kook Kong, Soo Hyung Woo, Young Jin Won, Jin Soon Kim | 2013-12-31 |
| 8607751 | Electro-hydraulic variable valve lift system | Byong Young Choi, Young Hong Kwak, Wonjun Lee, Jin Kook Kong, Soo Hyung Woo | 2013-12-17 |
| 8573168 | Hydraulic pressure valve apparatus | Chang Ho Yang, Byong Young Choi, Young Hong Kwak, Jin Kook Kong, Soo Hyung Woo | 2013-11-05 |
| 8555829 | Variable compression ratio apparatus | Dong-Seok Lee, Chang Ho Yang, Eun Ho Lee, Yoonsik Woo, Jin Kook Kong +1 more | 2013-10-15 |
| 8499725 | Variable compression ratio apparatus | Dong-Seok Lee, Yen Wha Ryu, Eun Ho Lee, Young Hong Kwak, Jin Kook Kong +1 more | 2013-08-06 |
| 8468990 | Continuously variable valve timing apparatus | Byong Young Choi, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim | 2013-06-25 |
| 8468984 | Variable compression ratio apparatus | Ju Hun Lee, Dong-Seok Lee, Eun Ho Lee, Byong Young Choi, Jin Kook Kong +1 more | 2013-06-25 |
| 8464676 | Variable valve timing apparatus | Byong Young Choi, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim | 2013-06-18 |
| 8448618 | Variable valve lift apparatus that is equipped with swing arm | Ju Hun Lee, Gee Wook Shin, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim | 2013-05-28 |
| 8397684 | Variable compression ratio apparatus | Yen Wha Ryu, Eun Ho Lee, Jin Kook Kong, Soo Hyung Woo | 2013-03-19 |
| 8312852 | Variable tappet | Gee Wook Shin, Sang Won Kim, Jin Kook Kong, Soo Hyung Woo, Byong Young Choi +2 more | 2012-11-20 |
| 8291874 | Apparatus for adjusting deviation of engine and continuously variable valve lift device including the same | Young Hong Kwak, Ki Uk Shin, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim +1 more | 2012-10-23 |
| 8291875 | Continuously variable valve lift device for vehicle | Byong Young Choi, 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 | Byong Young Choi, Young Hong Kwak, Ki Young Kwon, Jin Kook Kong, Soo Hyung Woo +1 more | 2012-08-21 |
| 8146548 | Continuously variable valve lift device and operation logic thereof | Eun Ho Lee, Young Hong Kwak, Ki Young Kwon, Jin Kook Kong, Soo Hyung Woo +2 more | 2012-04-03 |
| 8079214 | Integrally formed engine exhaust manifold and cylinder head | Jin Wook Son, Jin Kook Kong, Young Jin Won, Jin Soon Kim | 2011-12-20 |
| 7966980 | Variable compression ratio apparatus | Eun Ho Lee, Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong, Soo Hyung Woo +1 more | 2011-06-28 |