Issued Patents 2016
Showing 1–2 of 2 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, Won Gyu Kim, Myungsik Choi | 2016-07-26 |
| 9267402 | Multistage variable valve lift apparatus, system and engine | Soo Hyung Woo, Jong Hyeok Choi, Young Hong Kwak, Byong Young Choi, Jin Kook Kong | 2016-02-23 |