Maoqiang Dang

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Weifang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Miniature microphone, protection frame thereof and method for manuf...
- Patent number 9,271,435
- Issue date Feb 23, 2016
- Rongguo Yao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Condenser microphone
- Patent number 8,693,712
- Issue date Apr 8, 2014
- GoerTek Inc.
- Weihua Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Miniature microphone, protection frame thereof and method for manuf...
- Patent number 8,553,921
- Issue date Oct 8, 2013
- GoerTek Inc.
- Rongguo Yao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CAPACITIVE MEMS MICROPHONE, MICROPHONE UNIT AND ELECTRONIC DEVICE
- Publication number 20230353951
- Publication date Nov 2, 2023
- GOERTEKMICROELECTRONICS CO., LTD.
- Quanbo Zou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CAPACITIVE MEMS MICROPHONE, MICROPHONE UNIT AND ELECTRONIC DEVICE
- Publication number 20230224646
- Publication date Jul 13, 2023
- GOERTEKMICROELECTRONICS CO., LTD.
- Quanbo Zou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SENSITIVE DIAPHRAGM AND SENSOR
- Publication number 20210185447
- Publication date Jun 17, 2021
- Goertek, Inc.
- MAOQIANG DANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MINIATURE MICROPHONE, PROTECTION FRAME THEREOF AND METHOD FOR MANUF...
- Publication number 20130104379
- Publication date May 2, 2013
- GOERTEK INC.
- Rongguo Yao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONDENSER MICROPHONE
- Publication number 20110044479
- Publication date Feb 24, 2011
- Goertek Inc.
- Weihua Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MINIATURE MICROPHONE, PROTECTION FRAME THEREOF AND METHOD FOR MANUF...
- Publication number 20110026752
- Publication date Feb 3, 2011
- GEOERTEK INC.
- Rongguo Yao
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR