JINGYUN LIU

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ground terminal and electronic device
- Patent number 11,881,333
- Issue date Jan 23, 2024
- Shenzhen Johan Material Technology Co., Ltd.
- Mujiu Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grounding elastic contact and electronic device
- Patent number 11,646,509
- Issue date May 9, 2023
- Shenzhen Johan Material Technology Co., Ltd.
- Mujiu Chen
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
GROUNDING ELASTIC CONTACT AND ELECTRONIC DEVICE
- Publication number 20230093996
- Publication date Mar 30, 2023
- Shenzhen Johan Material Technology Co., Ltd.
- Mujiu Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUNDING ELASTIC COMPONENT
- Publication number 20190296458
- Publication date Sep 26, 2019
- SHENZHEN JOHAN MATERIAL TECH. CO., LTD.
- JINGYUN LIU
- B32 - LAYERED PRODUCTS