| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | United States | 3 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Australia | 1 | |
| #7 | Mexico | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology | |
| #3 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Television | |
| #3 | Data recognition and presentation | |
| #4 | Optical systems | |
| #5 | Advertising | |
| #6 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Park Kwang-Don | 16 |
| #2 | Choi Jong-Hwa | 8 |
| Publication | Filing date | Title |
|---|---|---|
| WO2012057459A1 | Random-type multilayer identification, and system using same | |
| WO2005004039A1 | Random-type identifying material, 3-d identifying system and method using the same |