Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10516945 | High power microspeaker with sub-diaphragm | Cheon Myeong Kim, Ji Hoon Kim, Sung Chul Jung | 2019-12-24 |
| 10419848 | Microspeaker enclosure with porous materials in resonance space | Kyu Dong Choi, Heung Woo Jeong | 2019-09-17 |