| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 8 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Japan | 1 | |
| #5 | Taiwan | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Basic materials chemistry | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Coating compositions | |
| #2 | Macromolecular compounds compositions | |
| #3 | Compounding ingredients | |
| #4 | Writing or drawing tools | |
| #5 | Goods for writing upon |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Soon Suck | 6 |
| #2 | Kim Jung Eun | 5 |
| #3 | Chung Doo Young | 5 |
| #4 | Kim Dong Jo | 2 |
| #5 | Lee Sang Uk | 1 |
| #6 | Anzai Masahiro | 1 |
| #7 | Kim Jung-Eun | 1 |
| #8 | Noguzi Yosio | 1 |
| #9 | Ueki Tomiji | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20190049345A | Ink composition for writing instrument and writing instrument using the same | |
| KR20120117478A | Water-based ink composition and erasing solution thereof | |
| KR20110129687A | Ink composition for oil-based ballpoint pen | |
| KR100708341B1 | Slider of sharp-pencil | |
| KR20000001550A | Eraser | |
| KR20000001549A | Eraser |