| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | WIPO (World Intellectual Property Organization) | 9 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | Japan | 3 | |
| #5 | Taiwan | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Consumer goods | |
| #3 | Machines | |
| #4 | Measurement | |
| #5 | Transport | |
| #6 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Production of brushes | |
| #2 | Brushes | |
| #3 | Shaping of plastics | |
| #4 | Certain plastics | |
| #5 | Vehicle transmission mounting | |
| #6 | Analysing materials | |
| #7 | Diagnosis and surgery | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kwon Young-Jun | 37 |
| #2 | Kwon Sung-Wook | 35 |
| #3 | Kwon Sung-Hwan | 27 |
| Publication | Filing date | Title |
|---|---|---|
| US2012272469A1 | Toothbrush and manufacturing method thereof | |
| JP2009136509A | Method for manufacturing toothbrush in which needle-like bristles are implanted, and toothbrush manufactured by the same | |
| US2008224529A1 | Method of tapering bristles for toothbrushes, and toothbrush having bristles manufactured by said method | |
| WO2006101286A1 | Method of tapering bristles for toothbrushes and toothbrush having bristles manufactured using the method |