Zhengyan Liu

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
MEMS microphone
- Patent number 11,889,248
- Issue date Jan 30, 2024
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Zhenkui Meng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for manufacturing MEMS microphone
- Patent number 11,405,737
- Issue date Aug 2, 2022
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Zhenkui Meng
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
MEMS microphone
- Patent number 11,057,717
- Issue date Jul 6, 2021
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Zhenkui Meng
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method for manufacturing MEMS microphone
- Patent number 10,979,825
- Issue date Apr 13, 2021
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Zhenkui Meng
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method for manufacturing MEMS microphone
- Patent number 10,979,840
- Issue date Apr 13, 2021
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Zhenkui Meng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for Manufacturing MEMS Microphone
- Publication number 20200213775
- Publication date Jul 2, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Zhenkui Meng
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Method for Manufacturing MEMS Microphone
- Publication number 20200213797
- Publication date Jul 2, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Zhenkui Meng
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
MEMS Microphone
- Publication number 20200213690
- Publication date Jul 2, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Zhenkui Meng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEMS Microphone
- Publication number 20200213774
- Publication date Jul 2, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Zhenkui Meng
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Method for Manufacturing MEMS Microphone
- Publication number 20200213796
- Publication date Jul 2, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Zhenkui Meng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE