| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Canada | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Mexico | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Furniture and games | |
| #3 | Agriculture | |
| #4 | Environmental technology | |
| #5 | Electrical machinery and energy | |
| #6 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yu Young-Sil | 16 |
| #2 | Yu Byung-Soo | 7 |
| #3 | Ryu Byung-Sue | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2015016997A1 | Wind turbine rotor having vertical blades | |
| TW200719817A | Supporting apparatus for arranging flowers | |
| US2006272204A1 | Flower supporting device | |
| WO2005028859A1 | Wind turbine | |
| US7017298B2 | Flower supporting device |