| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Unspecified technologies | |
| #3 | Internal-combustion piston engines | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yang Jei Choon | 11 |
| #2 | Kong Jin Kook | 11 |
| #3 | Woo Soo Hyung | 11 |
| #4 | Choi Byong Young | 8 |
| #5 | Kim Jin Soon | 8 |
| #6 | Kwak Young Hong | 7 |
| #7 | Kwon Ki Young | 4 |
| #8 | Lee Eun Ho | 2 |
| #9 | Lee Wonjun | 1 |
| #10 | Chang Kyoung Joon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2012280162A1 | Hydraulic pressure valve apparatus | |
| US2012298059A1 | Electric continuous variable valve timing apparatus | |
| US2011132305A1 | Variable tappet | |
| US2010139590A1 | Apparatus for adjusting deviation of engine and continuously variable valve lift device including the same |