Long Yuan

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Weifang City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Earphone and implementation method of vibratile earphone
- Patent number 9,462,371
- Issue date Oct 4, 2016
- Goertek, Inc.
- Ke Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
EARPHONE AND IMPLEMENTATION METHOD OF VIBRATILE EARPHONE
- Publication number 20150264470
- Publication date Sep 17, 2015
- Goertek Inc.
- Ke Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE