| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 9 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Machines for liquids | |
| #3 | Special wind, spring and weight motors | |
| #4 | Hydraulic engineering | |
| #5 | Wind motors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Koo Shik | 15 |
| #2 | Lee Dae Hoon | 13 |
| #3 | Hoon Lee Dae | 1 |
| #4 | Shik Lee Koo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20090088015A | Water-power generating system | |
| KR20090060920A | Wind-hydro power generating system and method | |
| KR20090043644A | Carriadge in the wind or hydro power system | |
| KR100837671B1 | Hydro-power plant | |
| KR100855211B1 | Hydro-power plant | |
| KR20080056440A | Hydroelectric power system | |
| KR20070107937A | Water power plant | |
| KR100768866B1 | Water power plant | |
| EP1331391A1 | Wind power generating system | |
| KR20030035743A | Wind power generating apparatus |