| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | WIPO (World Intellectual Property Organization) | 7 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology | |
| #3 | Telecommunications | |
| #4 | Digital networks | |
| #5 | IT methods for management | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Baek Wonjang | 25 |
| #2 | Kim John | 19 |
| #3 | Lee Seong Baek | 14 |
| #4 | Yi Doo Hwan | 3 |
| Publication | Filing date | Title |
|---|---|---|
| WO2006006780A1 | System and method for managing rights concerning distributable and charged digital contents |