Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10667028 | Electric device including microspeaker module with vibration function and wearable acoustic transducer | Joong Hak Kwon | 2020-05-26 |
| 10536771 | Dynamic receiver with resonance protector for earphone | Jung-ho Kang | 2020-01-14 |