Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11044562 | Multi-diaphragm speaker driven by multiple voice coil plates and a shared permanent magnet pair | Leeg Hyun Cho, Youngil Cho | 2021-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11044562 | Multi-diaphragm speaker driven by multiple voice coil plates and a shared permanent magnet pair | Leeg Hyun Cho, Youngil Cho | 2021-06-22 |