Dongfang CHENG

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Ningbo, CN

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Patents Grantslast 30 patents

Information Patent Grant
Micro-magnetic detecting method and micro-magnetic detecting device
- Patent number 10,648,947
- Issue date May 12, 2020
- NINGBO YINZHOU CITAI ELECTRONIC TECHNOLOGY CO., LTD
- Runqiao Yu
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting defect of pipe, device for detecting defect of...
- Patent number 10,302,593
- Issue date May 28, 2019
- NINGBO YINZHOU CITAL ELECTRONIC TECHNOLOGY CO., LTD.
- Runqiao Yu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Micro-magnetic Detecting Method and Micro-magnetic Detecting Device
- Publication number 20170176391
- Publication date Jun 22, 2017
- NINGBO YINZHOU CITAL ELECTRONIC TECHNOLOGY CO., LTD.
- Runqiao YU
- G01 - MEASURING TESTING
Information Patent Application
Method for Detecting Defect of Pipe, Device for Detecting Defect of...
- Publication number 20170176390
- Publication date Jun 22, 2017
- NINGBO YINZHOU CITAL ELECTRONIC TECHNOLOGY CO., LTD.
- Runqiao YU
- G01 - MEASURING TESTING