CHANGLIANG ZHU

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Patents Grantslast 30 patents

Information Patent Grant
Multifunctional microphone
- Patent number 11,523,201
- Issue date Dec 6, 2022
- Changliang Zhu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MULTIFUNCTIONAL MICROPHONE
- Publication number 20220312096
- Publication date Sep 29, 2022
- SHANGHAI GREATCARE TRADING & DEVELOPING CO., LTD.
- CHANGLIANG ZHU
- G06 - COMPUTING CALCULATING COUNTING