Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10334342 | Neckband wireless sound transducer | Joong Hak Kwon | 2019-06-25 |
| 10251000 | Hearing assistant device for informing about state of wearer | Dong Sung KIM, Yong Jun Kwon, Taek Jin Han | 2019-04-02 |