Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152801 | Energy level conversion circuit for portable energy storage apparatus | Sang Deok Choi, Jungsub Choi | 2021-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152801 | Energy level conversion circuit for portable energy storage apparatus | Sang Deok Choi, Jungsub Choi | 2021-10-19 |