Chao Gao

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lamp with zoom lens and zoom lens
- Patent number 11,624,898
- Issue date Apr 11, 2023
- APUTURE IMAGING INDUSTRIES CO., LTD.
- Chao Gao
- G02 - OPTICS
Information Patent Grant
Digital clamp meter and automatic measurement method thereof
- Patent number 10,267,823
- Issue date Apr 23, 2019
- Shenzhen New Huayi Instrument Co., Ltd.
- Chao Gao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Lamp with Zoom Lens and Zoom Lens
- Publication number 20220146802
- Publication date May 12, 2022
- Aputure Imaging Industries Co., Ltd
- Chao Gao
- G02 - OPTICS
Information Patent Application
DIGITAL CLAMP METER AND AUTOMATIC MEASUREMENT METHOD THEREOF
- Publication number 20170023624
- Publication date Jan 26, 2017
- Shenzhen New Huayi Instrument Co., Ltd.
- Chao Gao
- G01 - MEASURING TESTING