| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Japan | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | China | 1 | |
| #7 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games | |
| #3 | Agriculture | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Horticulture | |
| #3 | Skates | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Son Chang-Sub | 13 |
| #2 | Kim Sang-Geun | 5 |
| Publication | Filing date | Title |
|---|---|---|
| AU2011253939A1 | Grass protection mat | |
| WO2008023964A1 | Grass protection mat | |
| US2008052986A1 | Grass protection mat and mat assembly having the same |