| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Republic of Korea | 4 | |
| #3 | China | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Basic communication technologies | |
| #4 | Computer technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jo Byeong Hak | 12 |
| #2 | Na Yoo Sam | 3 |
| #3 | Jeong Moon Suk | 3 |
| #4 | Park Tah Joon | 2 |
| #5 | Kim Yoo Hwan | 2 |
| #6 | Kwon Yong Il | 2 |
| #7 | Hwang Hyeon Seok | 2 |
| #8 | Hong Kyung Hee | 1 |
| #9 | Lee Hyun Suk | 1 |
| #10 | Kim Min Sun | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR101937620B1 | Cement mixture and manufacturing method thereof | |
| KR101891052B1 | Cement mixture and manufacturing method thereof | |
| KR101855050B1 | Cement mixture and manufacturing method thereof | |
| KR101832676B1 | Cement mixture and manufacturing method thereof | |
| US2013057349A1 | Power amplifier |