Doudou ZHENG

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Taiyuan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and method of measuring the frequency of a radio frequency s...
- Patent number 11,656,259
- Issue date May 23, 2023
- North University of China
- Jun Liu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
System and Method of Measuring the Frequency of a Radio Frequency S...
- Publication number 20230160937
- Publication date May 25, 2023
- NORTH UNIVERSITY OF CHINA
- Jun LIU
- G01 - MEASURING TESTING
Information Patent Application
MAGNETOMETER USED FOR CARDIAC MAGNETIC FIELD MEASUREMENT AND BASED...
- Publication number 20210378569
- Publication date Dec 9, 2021
- NORTH UNIVERSITY OF CHINA
- Zongmin MA
- G01 - MEASURING TESTING