Xin YAN

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Dongguan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electro-acoustic conversion device and terminal
- Patent number 10,863,293
- Issue date Dec 8, 2020
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
- Bixiang Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRO-ACOUSTIC CONVERSION DEVICE AND TERMINAL
- Publication number 20200068327
- Publication date Feb 27, 2020
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
- Bixiang YAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE