Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11157231 | Method and apparatus for controlling sound signal output | Kwanhee HAN, Sungmin Kim | 2021-10-26 |
| 10910502 | Solar cell and method for manufacturing the same | Youngsung Yang, Junghoon Choi, Changseo Park | 2021-02-02 |