| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 9 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cycles | |
| #2 | Wheelchairs and sledges | |
| #3 | Cycle accessories | |
| #4 | Clutches and brakes | |
| #5 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Choi Eui Jeong | 14 |
| Publication | Filing date | Title |
|---|---|---|
| KR20120065742A | Bicycle | |
| KR20120065749A | A bicycle which equips a cadence power transmission device | |
| KR20100133694A | A tandem bicycle possible of changing in bidirection | |
| WO2010123166A1 | Tandem bicycle | |
| KR20100103160A | Cart | |
| KR20100091783A | Bicycle | |
| KR20090128031A | Bicycle | |
| KR20090123157A | Tandem bicycle | |
| KR20090113052A | Tandem bicycle | |
| KR20090107298A | Tandem bicycle |