Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12267659 | Waterproof microspeaker | Heung Woo Jeong, Hyun Woo Jeong, Hyeon Sik You | 2025-04-01 |
| 10863266 | High-pressure water resistant microspeaker with improved coil structure | Ji Hoon Kim, Jeong Seong Park | 2020-12-08 |