Shanglei Ning

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WeiFang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Micro loudspeaker and electronic device using same
- Patent number 9,307,306
- Issue date Apr 5, 2016
- GoerTek Inc.
- Yunhai Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MICRO LOUDSPEAKER AND ELECTRONIC DEVICE USING SAME
- Publication number 20150063607
- Publication date Mar 5, 2015
- GOERTEK INC.
- Yunhai Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE