Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10313801 | Sound output device comprises a dual speaker including a dynamic speaker and a piezoelectric speaker | Sang-Hun Park, In Seob JUNG | 2019-06-04 |
| 10250736 | Terminal controlling device and controlling method using same | In Seob JUNG | 2019-04-02 |