Guo Zhu Zeng

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Dongguan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Touch LED component
- Patent number D965536
- Issue date Oct 4, 2022
- Defond Electech Co., Ltd.
- Lei Zhang
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Touch LED component and touch device
- Patent number 11,464,112
- Issue date Oct 4, 2022
- Defond Electech Co., Ltd.
- Lei Zhang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Touch LED Component and Touch Device
- Publication number 20210037650
- Publication date Feb 4, 2021
- Defond Electech Co., Ltd.
- Lei Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR