Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175408 | Apparatus and method for precise position correction using positioning difference | In Gu Choi, Shi Han Kim, Jae Hyung Park, Sung Hwan Kim, Gi Chang Kim +1 more | 2021-11-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175408 | Apparatus and method for precise position correction using positioning difference | In Gu Choi, Shi Han Kim, Jae Hyung Park, Sung Hwan Kim, Gi Chang Kim +1 more | 2021-11-16 |