WAN JINGMING

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Patents Grantslast 30 patents

Information Patent Grant
Directional MEMS microphone and receiver device
- Patent number 9,380,377
- Issue date Jun 28, 2016
- SHANDONG GETTOP ACOUSTIC CO., LTD
- Wan Jingming
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DIRECTIONAL MEMS MICROPHONE AND RECEIVER DEVICE
- Publication number 20150181346
- Publication date Jun 25, 2015
- Shandong Gettop Acoustic Co., Ltd.
- WAN JINGMING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIRECTIONAL MEMS MICROPHONE
- Publication number 20150049878
- Publication date Feb 19, 2015
- Shandong Gettop Acoustic Co., Ltd.
- WAN JINGMING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE