| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Environmental technology | |
| #4 | Machines | |
| #5 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kang Myungkoo | 13 |
| #2 | Kang Seungmo | 8 |
| #3 | Kang Suejeong | 4 |
| #4 | Kang Soo Jung | 3 |
| #5 | Jeon Hyo Jung | 3 |
| #6 | Jeon Hyo Jeong | 3 |
| #7 | Jeon Hyojeong | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2015152474A1 | Vehicular power transmission apparatus having combination of piston engine and rotary engine | |
| WO2014058239A1 | Multiple hydraulic multi-plate clutch transmission for vehicle | |
| US2011067512A1 | Coaxial multi-clutch transmission |