Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10664871 | Advertisement system based on smart card, a method thereof, and smart card applied to the same | Seung Hwan Kim | 2020-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10664871 | Advertisement system based on smart card, a method thereof, and smart card applied to the same | Seung Hwan Kim | 2020-05-26 |