| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 7 | |
| #2 | China | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Philippines | 1 | |
| #5 | Russian Federation | 1 | |
| #6 | United States | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Unspecified technologies | |
| #3 | Tools for connecting or disengaging | |
| #4 | Special light sources | |
| #5 | Lighting device details | |
| #6 | Portable lighting devices | |
| #7 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yang Hyun Min | 11 |
| #2 | Yang Ji Seong | 8 |
| #3 | Yang An Jong | 7 |
| #4 | Lee Kwan Yeong | 1 |
| #5 | Lee Sang Yoon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20190067592A | steel reinforcing bar coupler | |
| KR20190031075A | bar coupler for concrete construction | |
| KR20170126769A | steel reinforcing bar coupler | |
| RU2667990C2 | High-strength one-touch rebar coupler | |
| KR101554723B1 | one-touch steel reinforcing bar coupler for concrete construction | |
| KR101570867B1 | one-touch steel reinforcing bar coupler for concrete construction | |
| KR20150134028A | Adjustable beam angle flashlight | |
| KR101524698B1 | Driver tool using restoring force of spiral spring |