| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 5 | |
| #2 | China | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Surface technology and coating | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Seong Ki Chul | 8 |
| #2 | Seong Hyun-Soo | 4 |
| #3 | Seong Ki-Chul | 4 |
| #4 | Seong Hyun-Guk | 3 |
| #5 | Ki-Chul Seong | 1 |
| #6 | Seong Hyun-Kook | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200033004A | Used Wire Collecting Apparatus | |
| CN1236337A | Porous electrode wire for electric discharge machine and its producing method |