| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 9 | |
| #2 | China | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | United States | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Machine tools | |
| #6 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Sang Youl | 9 |
| #2 | Lee Sangyoul | 3 |
| #3 | Son Jeong Il | 2 |
| #4 | Shin Dae Beom | 2 |
| #5 | Lim Dong Hyuk | 2 |
| #6 | Jung Yoon Gyo | 1 |
| #7 | Hwang Jong Dae | 1 |
| #8 | Song Ju Yong | 1 |
| #9 | Lee Sang-Youl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20180001321A | Wastewater Treatment System Using Redox Reaction | |
| KR101458177B1 | Water-treatment system usning alloy catalyst reactor system | |
| KR20150116611A | Sterilization and cleansing shower | |
| KR101462396B1 | Oil Separating and Oil Purification | |
| KR101373320B1 | Wastewater disposal apparatus | |
| KR20110032736A | Water treatment agent | |
| KR20090019503A | Water sterilization and purification apparatus | |
| KR20080085538A | Flow meter |