Hongyuan Chen

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Shenzhen, Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electronic switch module and electric tool
- Patent number 11,999,041
- Issue date Jun 4, 2024
- HUIZHOU TOPBAND ELECTRICAL TECHNOLOGY CO., LTD.
- Hongyuan Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electronic device, PCB and electric tool
- Patent number 12,002,645
- Issue date Jun 4, 2024
- SHENZHEN TOPBAND CO., LTD.
- Shilin Liang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic device, PCB and electric tool
- Patent number 11,424,088
- Issue date Aug 23, 2022
- SHENZHEN TOPBAND CO., LTD.
- Shilin Liang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE, PCB AND ELECTRIC TOOL
- Publication number 20220161409
- Publication date May 26, 2022
- SHENZHEN TOPBAND CO., LTD.
- Shilin Liang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ELECTRONIC SWITCH MODULE AND ELECTRIC TOOL
- Publication number 20220088761
- Publication date Mar 24, 2022
- HUIZHOU TOPBAND ELECTRICAL TECHNOLOGY CO., LTD.
- Hongyuan Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC DEVICE, PCB AND ELECTRIC TOOL
- Publication number 20220084759
- Publication date Mar 17, 2022
- SHENZHEN TOPBAND CO., LTD.
- Shilin Liang
- H01 - BASIC ELECTRIC ELEMENTS