| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Republic of Korea | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Mechanical elements | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Choi Byong Young | 11 |
| #2 | Kong Jin Kook | 7 |
| #3 | Woo Soo Hyung | 6 |
| #4 | Kim Jin Soon | 4 |
| #5 | Shin Gee Wook | 4 |
| #6 | Kwak Young Hong | 4 |
| #7 | Yang Jei Choon | 2 |
| #8 | Woo Yoonsik | 1 |
| #9 | Lee Chang-Hoon | 1 |
| #10 | Kim Sang Won | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200098154A | Structure for Prevention of Pin Malfunction in Camshaft shift type Variable Valve Device | |
| KR101902711B1 | Valvetrain device of internal combustion engine for friction loss reduction | |
| US2012291889A1 | Oil control valve and variable valve lift system provided with the same | |
| US2011271922A1 | Variable valve lift apparatus | |
| KR20100120599A | Gas burner |