Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399932 | Variable valve device that varies lift amount of valve | Young Hong Kwak, Gyu Han Hwang, Jin Kook Kong, Gee Wook Shin, Won Gyu Kim | 2016-07-26 |
| 9284878 | Variable compression ratio device and internal combustion engine using the same | — | 2016-03-15 |
| 8839747 | Composite power cycle engine | — | 2014-09-23 |
| 8695546 | Engine equipped with variable valve device | — | 2014-04-15 |
| 8555840 | Variable valve device | — | 2013-10-15 |
| 8528509 | Variable valve lift apparatus | Hosung Cho, Jin Gyu Yang, Myung Rae Cho, Hong Wook Lee, Seong Hyuk Kang +6 more | 2013-09-10 |
| 8468985 | Electro-hydraulic variable valve lift apparatus | Hosung Cho, Jin Gyu Yang, Myung Rae Cho, Hong Wook Lee, Duk-Jin Park +8 more | 2013-06-25 |
| 8225757 | Continuous variable valve lift apparatus | Back Sik Kim, Ingee Suh, Dong Hee Han, Yooshin Cho, Wootae Kim +3 more | 2012-07-24 |
| 8079332 | Continuous variable valve lift apparatus | Back Sik Kim, Ingee Suh, Dong Hee Han, Wootae Kim, Hyung Ick Kim +2 more | 2011-12-20 |
| 8079337 | Variable valve lift apparatus | Back Sik Kim, Ingee Suh, Dong Hee Han, Hyung Ick Kim, Dae Sung Kim +1 more | 2011-12-20 |
| 8056517 | Variable valve lift apparatus | Back Sik Kim, Ingee Suh, Dong Hee Han, Woo Tae Kim, Hyung Ick Kim +2 more | 2011-11-15 |
| 8042501 | Continuously variable valve lift apparatus | Back Sik Kim, Ingee Suh, Dong Hee Han, Wootae Kim, Hyung Ick Kim +2 more | 2011-10-25 |
| 8028668 | Rocker arm for variable valve lift, and variable valve lift apparatus having the same | — | 2011-10-04 |
| 7971562 | Continuous variable valve lift device | Kyoung Pyo Ha, Chun Woo Lee, Woo Tae Kim, Hyung Ick Kim, Yooshin Cho +5 more | 2011-07-05 |
| 7950362 | Variable valve lift apparatus | Back Sik Kim, Ingee Suh, Dong Hee Han, Yooshin Cho, Wootae Kim +4 more | 2011-05-31 |
| 7950359 | Variable valve system | — | 2011-05-31 |