| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 11 | |
| #2 | EPO (European Patent Office) | 7 | |
| #3 | United States | 7 | |
| #4 | Brazil | 3 | |
| #5 | Canada | 3 | |
| #6 | Australia | 2 | |
| #7 | Mexico | 2 | |
| #8 | Malaysia | 1 | |
| #9 | Ukraine | 1 | |
| #10 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oh Eui-Jin | 38 |
| Publication | Filing date | Title |
|---|---|---|
| WO2009145464A2 | Data input device and data input method | |
| WO2009145455A2 | Data input device | |
| EP2054790A1 | Data input device | |
| CA2659205A1 | Character input device and its method |