| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Philippines | 1 | |
| #5 | United States | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yu Cheol | 13 |
| #2 | Kim Myoung Ki | 2 |
| #3 | Oh Jung Jin | 2 |
| #4 | Jong Seok Oh | 2 |
| #5 | Kim Myung Ki | 1 |
| #6 | Kim Min Ju | 1 |
| #7 | Shin Kwan Woo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102227032B1 | Railway sleeper comprising waste plastic | |
| KR102024543B1 | Resin Guardrail | |
| KR102024748B1 | Plastic boundary stone of road capable of removing NOx | |
| KR20200009472A | Guard rail connection device | |
| KR20200009492A | End-rail | |
| KR101951640B1 | Structure of soil retaining panel | |
| KR20190050572A | Electricity production system using energy storage system |