Li Zefeng

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Jiansu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Switch mechanism
- Patent number 12,224,133
- Issue date Feb 11, 2025
- Peratech IP Ltd
- Zhang Chuanyang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Button structure
- Patent number 11,909,390
- Issue date Feb 20, 2024
- PERATECH HOLDCO LIMITED
- You Dawei
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE MODULE
- Publication number 20240420901
- Publication date Dec 19, 2024
- Peratech Holdco Limited
- Zhang WEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Button Structure
- Publication number 20240371579
- Publication date Nov 7, 2024
- PERATECH HOLDCO LTD
- Zhang WEN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BUTTON STRUCTURE
- Publication number 20230079619
- Publication date Mar 16, 2023
- Peratech Holdco Limited
- You DAWEI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Pressure Sensing Device
- Publication number 20230012518
- Publication date Jan 19, 2023
- Peratech Holdco Limited
- XU FENG
- G01 - MEASURING TESTING
Information Patent Application
SWITCH MECHANISM
- Publication number 20230005679
- Publication date Jan 5, 2023
- Peratech Holdco Limited
- Zhang Chuanyang
- H01 - BASIC ELECTRIC ELEMENTS