| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Republic of Korea | 2 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Dentistry | |
| #2 | Diagnosis and surgery |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chang Sang-Kohn | 9 |
| #2 | Chang Sang Kohn | 5 |
| Publication | Filing date | Title |
|---|---|---|
| KR101763732B1 | A self distal driving device and self mesial driving device having spring | |
| KR101748134B1 | A self distal driving device and self mesial driving device having spring | |
| EP1185213A1 | The method and its materials for alveolar ridge protection | |
| WO0152765A1 | Dental implant system |