| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 10 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Argentina | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Audio-visual technology | |
| #3 | Packaging and shipping | |
| #4 | Agriculture | |
| #5 | Electrical machinery and energy | |
| #6 | Optics | |
| #7 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Platform constructions | |
| #2 | Advertising | |
| #3 | Swimming pools | |
| #4 | Containers for goods storage | |
| #5 | Horticulture | |
| #6 | Cameras | |
| #7 | Installation of electric cables | |
| #8 | Turning | |
| #9 | Construction of bridges | |
| #10 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Park Joong Suk | 18 |
| #2 | Seo Mi Rye | 2 |
| Publication | Filing date | Title |
|---|---|---|
| KR20090112102A | Steel guard rail | |
| US2008157045A1 | Falling Rock Preventing Fence With Fabrication Typewire Net | |
| KR100573801B1 | Guardrail with a buffer bracket for a road | |
| KR20050074393A | Guidepost for a road | |
| KR20050037543A | Tension device of wire rope in a fence for guarding against falling rocks | |
| KR20050032561A | Guardrail for a road | |
| WO2004090234A1 | Guardrail for roads | |
| KR20050094088A | A guardrail for a road | |
| KR20030036569A | Delineator of a guardrail for a road | |
| KR20030044944A | Iron fence | |
| KR20030036529A | A indicator for road | |
| KR20030036456A | A guardrail for road |