Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11462199 | Hybrid actuator and multimedia apparatus having the same | Cheon Myeong Kim, Sung Chul Jung | 2022-10-04 |
| 10728672 | Sound converter | Cheon Myeong Kim, Sung Chul Jung, Gyung Bo Ha | 2020-07-28 |
| 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 |
| 9832557 | Slim microspeaker | Kil Dong Park, Ji Hoon Kim, Min Chang KIM | 2017-11-28 |