Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816817 | Method for estimating location of user terminal using difference between true north and magnetic north and the user terminal thereof | Seong Eun Kim, Eung Sun Kim, Hyun Gi Ahn | 2017-11-14 |
| 9709375 | Method and apparatus for creating magnetic field map based on floor plan information of building | Seong Eun Kim, Eung Sun Kim, Hyun Gi Ahn, Ji Hyun Yoon | 2017-07-18 |