| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 9 | |
| #2 | EPO (European Patent Office) | 6 | |
| #3 | United States | 4 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Consumer goods | |
| #5 | Chemical engineering | |
| #6 | Environmental technology | |
| #7 | Semiconductors | |
| #8 | Optics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Niizaki Yunito | 19 |
| #2 | Niizaki Yuuichiro | 18 |
| #3 | Niizaki Tomoko | 18 |
| #4 | Nizaki Yuuichiro | 1 |
| #5 | Nizzaki Tomoko | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009100622A1 | Brush material | |
| EP2050541A1 | Brush material | |
| US2009100621A1 | Brush material | |
| EP2050540A1 | Brush material | |
| KR20090039025A | Brush material | |
| KR20090039068A | Brush material |