Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709532 | Pipeline inspection device and pipeline inspection system | Yeon-Shik Ahn, Gye-Jo Jung, Sang Ki Park | 2017-07-18 |
| 8723513 | Eddy current probe for surface inspection and eddy current inspection device including the same | Yeon-Shik Ahn, Sang Gi PARK | 2014-05-13 |