| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | China | 2 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Transport | |
| #3 | Agriculture | |
| #4 | Chemical engineering | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in wastewater treatment | |
| #2 | Ships | |
| #3 | Harvesting | |
| #4 | Water treatment | |
| #5 | Climate change adaptation technologies | |
| #6 | Convertible vehicles | |
| #7 | Mixing | |
| #8 | Cross-cutting vehicle technologies | |
| #9 | Marine propulsion | |
| #10 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Park Myoung Ha | 8 |
| #2 | Park Myung Ha | 3 |
| #3 | Park Gwang Ho | 2 |
| #4 | Park Myoung-Ha | 2 |
| #5 | Seo Dae Seok | 2 |
| #6 | Kim Tae Won | 1 |
| #7 | Kim In Kwan | 1 |
| #8 | Shin Wan Ho | 1 |
| #9 | Hong Won Suk | 1 |
| #10 | Lee Tak Kee | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102139940B1 | Weed removal vessel | |
| KR102102945B1 | Amphibious weed harvesting vessel | |
| KR101750874B1 | Boat for elimination of water grass | |
| KR20170045852A | Boat for elimination of water grass | |
| KR101585172B1 | Water sampling device | |
| KR20140128543A | Monitoring system for apparatus improving water quality and method for processing of the same | |
| KR101036176B1 | Stirring device for water treatment | |
| KR101048970B1 | Device for circulating water installed in the park and lake |