Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206480 | Open-air type earphone with bracket forming bass pipe | Chang Hwa Jeong | 2021-12-21 |
| 10918212 | Heating chair using carbon fiber heating element having multi-layered thermal layer | — | 2021-02-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206480 | Open-air type earphone with bracket forming bass pipe | Chang Hwa Jeong | 2021-12-21 |
| 10918212 | Heating chair using carbon fiber heating element having multi-layered thermal layer | — | 2021-02-16 |