| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | Australia | 3 | |
| #3 | Canada | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | United States | 3 | |
| #6 | Mexico | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Winches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kim Yong Chol | 18 |
| #2 | Tae Nung Jun | 16 |
| #3 | Tae Yong Il | 12 |
| #4 | Kim Yong | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2008130063A1 | Bevel gear-type non-step controllable speed reducer | |
| WO2008130062A1 | Overload adaptive and non-step controllable winch | |
| WO2006137605A1 | The transistor-type universal driving | |
| US2010224018A1 | Ball-wedge type speed reducer | |
| MX2007014989A | Lever-type gear reducer. |