Xuelu LIU

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WeiFang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker diaphragm
- Patent number 9,955,266
- Issue date Apr 24, 2018
- GoerTek Inc.
- Xuelu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vibration system of a loudspeaker
- Patent number 9,838,792
- Issue date Dec 5, 2017
- GoerTek Inc.
- Xuelu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LOUDSPEAKER DIAPHRAGM
- Publication number 20170188155
- Publication date Jun 29, 2017
- GOERTEK INC.
- Xuelu LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
A VIBRATION SYSTEM OF A LOUDSPEAKER
- Publication number 20160212541
- Publication date Jul 21, 2016
- GOERTEK INC.
- Xuelu LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE