Lipeng Ma

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dome material, diaphragm and speaker
- Patent number 11,159,904
- Issue date Oct 26, 2021
- AAC Technologies Pte. Ltd.
- Lipeng Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm dome, method for manufacturing the same and speaker
- Patent number 10,097,925
- Issue date Oct 9, 2018
- AAC Technologies Pte. Ltd.
- Xun Di
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
Sound device
- Publication number 20240073609
- Publication date Feb 29, 2024
- AAC Microtech (Changzhou) Co., Ltd.
- Long Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DOME MATERIAL, DIAPHRAGM AND SPEAKER
- Publication number 20200213795
- Publication date Jul 2, 2020
- AAC Technologies Pte. Ltd.
- Lipeng Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Diaphragm Dome, Method for Manufacturing The Same and Speaker
- Publication number 20180124518
- Publication date May 3, 2018
- AAC Technologies Pte. Ltd.
- Xun Di
- B32 - LAYERED PRODUCTS