Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206490 | Sound generating actuator | Cheon Myeong Kim, Jae Hwa Lim, Ji-Young Lee, Byung Ho Jung | 2021-12-21 |
| 11206500 | Bone conduction speaker | Cheon Myeong Kim, Jae Hwa Lim, Ji-Young Lee, Byung Ho Jung, Sung Jin Hong | 2021-12-21 |
| 11115754 | Actuator | Cheon Myeong Kim, Kyeong Min LEE | 2021-09-07 |