| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | United States | 4 | |
| #3 | Australia | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | China | 2 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cheung Chung Fai | 14 |
| #2 | Cheung Chung F | 2 |
| #3 | Chungfai Cheung | 1 |
| #4 | Cheung Chung | 1 |
| #5 | Fai Cheung Chung | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1794350A | Double-sided disc tray | |
| US2006151343A1 | Media storage disk case | |
| US2006131191A1 | Media storage disc case | |
| WO2004042732A1 | Media storage disk case | |
| AU3847600A | A case for storing a disc | |
| US6227362B1 | Audio-visual box | |
| GB9922731D0 | A case for storing a disc | |
| GB9921857D0 | Unitary compact disc case using living hinges formed from plastics |