Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11029169 | Navigation service method for providing unusable route information related to emergency area and server apparatus for the same | Jae Hyuk Choi | 2021-06-08 |
| 10885071 | Method and apparatus for creating link-type grid fingerprint database | Joo Young Kim, Myung-In JI, Ju Il JEON | 2021-01-05 |