| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 7 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | United States | 4 | |
| #4 | Australia | 1 | |
| #5 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Micro-structure and nano-technology |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Television | |
| #3 | Optical systems | |
| #4 | Nanostructure applications | |
| #5 | Display controls | |
| #6 | Electrography | |
| #7 | Cameras | |
| #8 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Song Tae-Sun | 17 |
| Publication | Filing date | Title |
|---|---|---|
| WO2007027019A1 | Optical scanning apparatus and image display apparatus using the same | |
| US2007019407A1 | Two dimensional optical scanning apparatus and image display apparatus using the same |