| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Emergency protective circuit arrangements | |
| #2 | Electric switches | |
| #3 | Transmission |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Heung-Sik | 5 |
| #2 | Lee Jeung Sik | 3 |
| #3 | Lee Heung Sik | 1 |
| #4 | Lee Jeung-Sik | 1 |
| #5 | Heung-Sik Lee | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2577348A1 | Power control apparatus for preventing electric shock cause | |
| KR100536106B1 | Power switching device for preventing error operation by high frequency current contact and device cut off leakage of electricity therefor | |
| KR20060091556A | Power control equipment for preventing electric shock cause | |
| KR100496562B1 | Power control equipment for preventing electric shock cause | |
| KR20040041001A | Electronic ground control system |