| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 10 | |
| #2 | China | 1 | |
| #3 | United States | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Cycles | |
| #3 | Cycle stands | |
| #4 | Gearing | |
| #5 | Marine propulsion | |
| #6 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Go Jong Hwa | 13 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200114304A | Propulsion apparatus for ship | |
| KR20200085152A | One wheel Pedal electric bicycle | |
| KR101685820B1 | Cycle with single wheel | |
| KR101644747B1 | Cycle with single wheel | |
| KR20150063948A | Automatic transmission for bicycle and bicycle having the same | |
| KR20150063679A | Speed gear Ssing sing barqeui | |
| KR20140125023A | Ssing sing barqeui | |
| KR20140045258A | Ssing-sing wheel | |
| KR20140002814A | Ssing sing barqeui i | |
| KR20110028418A | Ssing sing barqeui |