| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Engines, pumps and turbines | |
| #4 | IT methods for management | |
| #5 | Measurement | |
| #6 | Control | |
| #7 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yeo Chang Eun | 10 |
| #2 | Shim Kwon Shig | 1 |
| #3 | Yeo Chang-Eun | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20120053615A | Apparatus for providing operating current for automobile | |
| KR20110099483A | System and method for guiding parking of vehicle | |
| KR20110044400A | Method and apparatus for guiding parking of vehicle | |
| KR100969529B1 | Apparatus for portable auxiliary power supply for automobile | |
| KR20090120854A | Apparatus for providing tour information and method thereof | |
| KR20090041862A | Portable battery recharger |