Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074229 | Medium storage box and financial device | — | 2018-09-11 |
| 9882480 | Voltage converter for controlling a voltage of a flying capacitor and a voltage control method thereof | Minkyu Kwon, Hocheol Chung, Sungkyu CHO | 2018-01-30 |