| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | China | 2 | |
| #5 | Hong Kong | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | IT methods for management | |
| #2 | Computer technology | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Data processing systems | |
| #2 | Data recognition and presentation | |
| #3 | Alarm systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oh Chang-Hwan | 7 |
| #2 | Shin Young-Cheol | 7 |
| #3 | Eom Doo-Seop | 7 |
| #4 | Gwon Hyuck-Jin | 5 |
| #5 | Shin Yeong Cheol | 4 |
| #6 | Kwon Hyeok Jin | 3 |
| #7 | Oh Chang Hwan | 3 |
| #8 | Eom Du Seop | 3 |
| #9 | Chang-Hwan Oh | 2 |
| #10 | Kwon Hyuck-Jin | 2 |
| Publication | Filing date | Title |
|---|---|---|
| KR20020033139A | System and method for maintenance of public security and exit and entrance control using bar code displayed liquid crystal display | |
| KR20020023098A | The electronic settlement system, electronic settlement method and cash paying method using lcd barcode displayed on mobile terminal | |
| KR20020009379A | The wireless barcode scanner with capability of scanning lcd barcode | |
| KR20020021585A | The integrated customer management system and method using wireless barcode |