Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11704531 | Metal card capable of bidirectional communication and method for manufacturing metal card | Han Sun Kim, Chung Il Cho | 2023-07-18 |
| 11586871 | Metal card and card manufacturing method | Han seon Kim, Suk Ku Lee | 2023-02-21 |