Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11025145 | Quadrangular leaf spring and linear vibration motor including same | Nam Sock Kim, Tae Hoon Lee, Dong-Jun Lee | 2021-06-01 |
| 10986448 | Sound vibration actuator | Yong Jin Kim, Jun Kun Choi, Yeon Ho Son, Yong Tae Kim, Dong Su Moon +1 more | 2021-04-20 |