| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 6 | |
| #2 | Canada | 4 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | United States | 4 | |
| #5 | China | 1 | |
| #6 | Hong Kong | 1 | |
| #7 | Norway | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Chemical engineering | |
| #3 | Medical technology | |
| #4 | Machines | |
| #5 | Environmental technology | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Separation | |
| #3 | Object sterilising | |
| #4 | Unspecified technologies | |
| #5 | Climate change mitigation in buildings | |
| #6 | Brushes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Song Young-So | 8 |
| #2 | Song Sung-Wook | 5 |
| #3 | Song Sung Wook | 5 |
| #4 | Song Yeong So | 3 |
| #5 | Sung-Wook Song | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2016113459A1 | Dust-container assembly of vacuum cleaner | |
| US2016113458A1 | Cleaning nozzle assembly | |
| KR100809617B1 | Turn bumper that include vacuum cleaner | |
| KR100809618B1 | Turn bumper that include vacuum cleaner | |
| KR100508312B1 | Air cleaner | |
| CA2419160A1 | An inhaler for a vacuum cleaner | |
| KR20040040092A | Vacuum cleaner | |
| KR20020067214A | Wire tape parts hanger of a vacuum cleaner | |
| KR20020000268A | Cleaner with gas cleansing function |