Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9681239 | Audio output apparatus and method for audio correction | Jae-cheol Lee | 2017-06-13 |
| 9578431 | Audio output apparatus capable of controlling temperature of voice coil and method thereof | Oan-jin Kim, Jong Woo Kim | 2017-02-21 |