MEMS speaker
US-12583739-B2 · Mar 24, 2026 · US
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Dan qiang patents
Dan qiang is listed as an inventor on 39 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Dan qiang |
| Total patents | 39 |
| First publication | Dec 29, 2022 |
| Latest publication | Mar 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Earphone
US-12556846-B2 · Feb 17, 2026 · US
Mems loudspeaker
US-2026032391-A1 · Jan 29, 2026 · US
Acoustic sensor and manufacturing method therefor
US-12532129-B2 · Jan 20, 2026 · US
MEMS speaker
US-12526584-B2 · Jan 13, 2026 · US
Speaker
US-2025392856-A1 · Dec 25, 2025 · US
Bone Conduction Microphone
US-2025380076-A1 · Dec 11, 2025 · US
Speaker Device
US-2025254464-A1 · Aug 7, 2025 · US
Mems speaker
US-2025250162-A1 · Aug 7, 2025 · US
Method for manufacturing MEMS acoustic sensor
US-12335702-B2 · Jun 17, 2025 · US
Recent patents
Latest publications not already listed above.
MEMS piezoelectric speaker
US-12317044-B2 · May 27, 2025 · US
Acoustic sensor and manufacturing method therefor
US-2025133352-A1 · Apr 24, 2025 · US
MEMS Piezoelectric Speaker
US-2025126409-A1 · Apr 17, 2025 · US
Acoustic transducer and method for manufacturing acoustic transducer
US-12267646-B2 · Apr 1, 2025 · US
Acoustic transducer and method for manufacturing acoustic transducer
US-12262175-B2 · Mar 25, 2025 · US
MEMS speaker and manufacturing method for same
US-12238479-B2 · Feb 25, 2025 · US
MEMS speaker
US-12192702-B2 · Jan 7, 2025 · US
Mems speaker
US-2024397267-A1 · Nov 28, 2024 · US
Acoustic transducer and method for manufacturing acoustic transducer
US-2024284120-A1 · Aug 22, 2024 · US
Acoustic transducer and method for manufacturing acoustic transducer
US-2024284119-A1 · Aug 22, 2024 · US
Method for manufacturing mems acoustic sensor
US-2024284131-A1 · Aug 22, 2024 · US
Piezoelectric speaker
US-12015896-B2 · Jun 18, 2024 · US
Mems loudspeaker manufacturing method and mems loudspeaker
US-2024174513-A1 · May 30, 2024 · US
Speaker having first diaphragm, second diaphragm with different stiffness from first diaphragm, and driver located in through hole of first diaphragm
US-11968507-B2 · Apr 23, 2024 · US
Earphone
US-2024121538-A1 · Apr 11, 2024 · US
Mems piezoelectric speaker
US-2024114795-A1 · Apr 4, 2024 · US
Sound production device
US-11950070-B2 · Apr 2, 2024 · US
MEMS speaker
US-11910155-B2 · Feb 20, 2024 · US
MEMS speaker and speaker assembly structure
US-11895464-B2 · Feb 6, 2024 · US
MEMS Speaker
US-2023412988-A1 · Dec 21, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Aac Kaitai Tech Wuhan Co Ltd | 28 |
| Aac Technologies Pte Ltd | 4 |
| Aac Kaital Tech Wuhan Co Ltd | 4 |
| Aac Acoustic Tech Shenzhen Co Ltd | 3 |
| Aac Microtech Changzhou Co Ltd | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R2201/003 | 27 |
| H04R17/00 | 18 |
| H04R19/02 | 13 |
| H04R31/00 | 11 |
| H04R7/10 | 10 |