Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206490 | Sound generating actuator | Cheon Myeong Kim, Jeong Ae Ha, Ji-Young Lee, Byung Ho Jung | 2021-12-21 |
| 11206500 | Bone conduction speaker | Cheon Myeong Kim, Jeong Ae Ha, Ji-Young Lee, Byung Ho Jung, Sung Jin Hong | 2021-12-21 |