| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 10 | |
| #2 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Transport | |
| #4 | Mechanical elements | |
| #5 | Agriculture | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Ladders | |
| #2 | Lifting and pushing | |
| #3 | Horticulture | |
| #4 | Load transportation vehicles | |
| #5 | Gearing | |
| #6 | Live-saving devices | |
| #7 | Cranes | |
| #8 | Vehicle parts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yang Kwon Yi | 11 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200129533A | Lifesaving ladder car | |
| KR101397463B1 | Vehicle Mounting Safety Air Cushion for Lifesaving | |
| KR101374541B1 | Device packaging tree roots | |
| KR101374540B1 | Aerial ladder truck | |
| KR20130112077A | The structure of aerial ladder extended by a hydraulic cylinder | |
| KR20130013928A | Tree uprooting machine | |
| KR20130004692A | Aerial ladder truck | |
| KR20130004700A | Aerial ladder truck | |
| KR20130004697A | Aerial ladder truck | |
| KR20130004698A | Aerial ladder truck |