| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yoon Yang Il | 8 |
| #2 | Il Yoon Yang | 1 |
| #3 | Yoon Yangil | 1 |
| #4 | Yoon Yang Ll | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20150062781A | water purifying apparatus of large area floating type | |
| KR20140058139A | A strainer | |
| KR20130128602A | Filtering apparatus | |
| KR20130011400A | Buoyancy-type water purifying apparatus | |
| KR20100014204A | Vertical axis type darrieus windmill | |
| KR100933790B1 | Vertical axis type darrieus windmill |