Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206490 | Sound generating actuator | Jae Hwa Lim, Jeong Ae Ha, Ji-Young Lee, Byung Ho Jung | 2021-12-21 |
| 11206500 | Bone conduction speaker | Jae Hwa Lim, Jeong Ae Ha, Ji-Young Lee, Byung Ho Jung, Sung Jin Hong | 2021-12-21 |
| 11115754 | Actuator | Jeong Ae Ha, Kyeong Min LEE | 2021-09-07 |
| 11102573 | High-water pressure waterproof microspeaker | Sung Chul Jung, Sung Jin Hong | 2021-08-24 |