Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10448147 | Acoustic device having multiple diaphragms | Donghyeon Seo, Minkoo PARK | 2019-10-15 |
| 10433053 | Micro speaker device with water-proof structure | — | 2019-10-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10448147 | Acoustic device having multiple diaphragms | Donghyeon Seo, Minkoo PARK | 2019-10-15 |
| 10433053 | Micro speaker device with water-proof structure | — | 2019-10-01 |