Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10880637 | Sound output apparatus | Dongkyu Park, Sangchul Ko, Donghyun Jung | 2020-12-29 |
BC
Byeonggeun Cheon
Overall (2020): #526,123 of 565,922Top 95%
1
Patents 2020