| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 5 | |
| #2 | China | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Surface technology and coating | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Metal tempering | |
| #2 | Coating metallic material | |
| #3 | Details of furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chung Soo Jin | 8 |
| #2 | Kim Ki Woong | 8 |
| #3 | Kang Ji-Young | 6 |
| #4 | Kim Dong-Ryeol | 6 |
| #5 | Kang Ji Young | 5 |
| #6 | Kim Dong Ryeol | 4 |
| #7 | Chung Won Ki | 3 |
| #8 | Chung Soo-Jin | 1 |
| #9 | Kim Ki-Woong | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20190112541A | Quenching apparatus | |
| KR20180100776A | Method and apparatus for gas nitriding | |
| KR20180077729A | Quenching apparatus | |
| KR20180077730A | Vacuum heat treatment apparatus | |
| KR101431624B1 | Cooling devece and heat treatment device including the same |