Yanyan Jin

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic absorption material and speaker
- Patent number 11,356,768
- Issue date Jun 7, 2022
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Gas absorbent particle and method for making same
- Patent number 10,118,153
- Issue date Nov 6, 2018
- AAC Technologies Pte. Ltd.
- Yanyan Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ACOUSTIC ABSORPTION MATERIAL AND SPEAKER
- Publication number 20190238972
- Publication date Aug 1, 2019
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS