| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Republic of Korea | 4 | |
| #3 | China | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Computer technology | |
| #3 | IT methods for management | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Data processing systems | |
| #3 | Electric digital data processing | |
| #4 | Coin-freed |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Il Bok | 13 |
| #2 | Lee Jae Kwang | 2 |
| #3 | Koo Kwang Il | 2 |
| #4 | Lee Il-Bok | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102127954B1 | Apparatus for supplying ink and inkjet printer having the same | |
| KR101931130B1 | Appratus for driving print head and printing apparatus having the same | |
| KR20190123884A | Refillable ink cartridge | |
| KR20190123890A | Ink refilling apparatus for ink cartridge | |
| WO2016032082A1 | Ink cartridge | |
| WO2016039515A1 | Array-type ink cartridge |