| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | China | 3 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Surface technology and coating | |
| #3 | Consumer goods | |
| #4 | Electrical machinery and energy | |
| #5 | Audio-visual technology | |
| #6 | Computer technology | |
| #7 | Semiconductors | |
| #8 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yoon Se Won | 10 |
| #2 | Yoon Se-Won | 2 |
| #3 | Yoon Chae Yeong | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102038248B1 | Underground burial system of cable complex | |
| US2014022641A1 | Retroreflective sheet and fabrication method thereof |