| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 7 | |
| #2 | Brazil | 5 | |
| #3 | Hong Kong | 5 | |
| #4 | Mexico | 4 | |
| #5 | WIPO (World Intellectual Property Organization) | 4 | |
| #6 | Australia | 3 | |
| #7 | Canada | 3 | |
| #8 | China | 3 | |
| #9 | Japan | 3 | |
| #10 | Republic of Korea | 3 | |
| #11 | United States | 3 | |
| #12 | Argentina | 1 | |
| #13 | Chile | 1 | |
| #14 | Malaysia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Consumer goods | |
| #5 | Foods and drinks | |
| #6 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Unspecified technologies | |
| #3 | Hand carried bags | |
| #4 | Kitchen equipment | |
| #5 | Foods | |
| #6 | Closing and opening bottles | |
| #7 | Advertising | |
| #8 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wang Soo Chang | 27 |
| #2 | Soo Chang Wang | 7 |
| #3 | Wang Su Chang | 3 |
| #4 | Chang Wang Soo | 3 |
| #5 | Wang Soo-Chang | 2 |
| #6 | Soo-Chang Wang | 2 |
| #7 | Wang | 1 |
| #8 | Chang Soo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2012121500A2 | Combination structure of frame member and viewing cover for food container cover | |
| CA2472978A1 | Container with double lids | |
| US2006278552A1 | Multi-layered container with intermediate lid | |
| EP1494958A1 | Push opener | |
| MXPA04000079A | Vacuum container. | |
| JP2003200956A | Vacuum valve having a vacuum gauge function | |
| KR20030057242A | vacuum cover for function adjusting high and low | |
| KR20030029425A | bottle cap for vacuum preservation | |
| KR20020037581A | container |