Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10448160 | Portable sound equipment | Donghan Kim, Shin Han | 2019-10-15 |
| 10356506 | Portable sound equipment | Kwancheol Kang, Junsoo Park, Wonjae Kang, Hyunsun Yoo | 2019-07-16 |
| 10306351 | Portable sound device | Donghan Kim | 2019-05-28 |
| 10244305 | Portable sound device | Donghan Kim, Junyoung Park, Sewon JANG, Shin Han | 2019-03-26 |