Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11696059 | Two-way receiver having front bass duct | Jun Hee HAN | 2023-07-04 |
| 11564026 | Earphone having pressure equilibrium structure | Jun Hee HAN, Young Woo Kim | 2023-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11696059 | Two-way receiver having front bass duct | Jun Hee HAN | 2023-07-04 |
| 11564026 | Earphone having pressure equilibrium structure | Jun Hee HAN, Young Woo Kim | 2023-01-24 |