| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Canada | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Electrical machinery and energy | |
| #4 | Medical technology | |
| #5 | Furniture and games | |
| #6 | Control | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Brushes | |
| #2 | Sanitary equipment | |
| #3 | Certain plastics | |
| #4 | Dentistry | |
| #5 | Shaping of plastics | |
| #6 | Fillers | |
| #7 | Lighting device details | |
| #8 | Special light sources | |
| #9 | Construction of bridges | |
| #10 | Traffic control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kim Jung Hoa | 11 |
| #2 | Kim Su Hwi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20140012350A | U turn arch and traffic contral system using u turn arch | |
| KR20120078856A | Rotary type brush electric toothbrush | |
| KR20100009825A | Rotary type brush electric toothbrush | |
| KR20040110752A | Washing brush |