| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Consumer goods | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Live-saving devices | |
| #3 | Air-conditioning | |
| #4 | Doors and windows | |
| #5 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nam Jung O | 7 |
| #2 | Nam Jung Oh | 4 |
| #3 | Nam Jung-Oh | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR102219234B1 | Fire door with reinforcement | |
| KR20200145982A | Fire evacuation chamber | |
| KR20200045060A | Fire doors with excellent smoke and heat shield performance and method for manufacturing fire doors with excellent smoke and heat shield performance | |
| KR101923461B1 | Fire evacuation chamber | |
| KR101607895B1 | Smoke and heat shield device of Fire doors for Fire evacuation chamber | |
| KR101578929B1 | Fire evacuation chamber provided in the basement. |