| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 3 | |
| #2 | Canada | 2 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | United States | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Australia | 1 | |
| #8 | Chile | 1 | |
| #9 | Cuba | 1 | |
| #10 | Morocco | 1 | |
| #11 | Mexico | 1 | |
| #12 | Peru | 1 | |
| #13 | Tunisia | 1 | |
| #14 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oh Sung Gu | 21 |
| #2 | Ra Sung Ho | 6 |
| Publication | Filing date | Title |
|---|---|---|
| KR20190064204A | Wdelding automation system using welding part geometry measurement and 3D coordinate and wdelding method using the same | |
| KR101290445B1 | Welding system using non-consumable electrode and welding method therof | |
| KR20110121221A | The tig welding equipment |