| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 30 | |
| #2 | China | 12 | |
| #3 | EPO (European Patent Office) | 12 | |
| #4 | United States | 9 |
| # | Industry | |
|---|---|---|
| #1 | Digital networks | |
| #2 | Telecommunications | |
| #3 | IT methods for management | |
| #4 | Audio-visual technology | |
| #5 | Computer technology | |
| #6 | Measurement | |
| #7 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Choi Jun-Ho | 15 |
| #2 | Ahn Sang-Joon | 11 |
| #3 | Park Jun Sik | 6 |
| #4 | Lee Yun Geun | 6 |
| #5 | Bang Young Jun | 6 |
| #6 | Jang Sam Ryong | 6 |
| #7 | Lee Yun-Geun | 6 |
| #8 | Kim Jung Eun | 6 |
| #9 | Lee Seok Chan | 4 |
| #10 | Kim Yong-Bae | 4 |
| Publication | Filing date | Title |
|---|---|---|
| WO2010095836A2 | File system and method for delivering contents in file system | |
| EP2193473A2 | Protection against unauthorized copying of digital media content |