Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10129636 | Speaker device for improving sound quality in high frequency band | Youngbae Park, Byoung Hee Lee, Taiyong Kim, Ki-Won Kim, Juhee CHANG +1 more | 2018-11-13 |
| 9961430 | Automatically controllable sound accessory | Juhee CHANG, Sukgyong Kim, CheolYong Park, Sunghoon Jeong, Juntai Kim +1 more | 2018-05-01 |