Guofeng Zhang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dynamics performance testing system
- Patent number 9,588,029
- Issue date Mar 7, 2017
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
AUTHENTICATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE
- Publication number 20240419821
- Publication date Dec 19, 2024
- BEIJING ZITIAO NETWORK TECHNOLOGY CO., LTD.
- Samuel Cui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Measuring Time
- Publication number 20240411273
- Publication date Dec 12, 2024
- QUDOOR TECHNOLOGIES INC.
- Liuping CHEN
- G04 - HOROLOGY
Information Patent Application
DYNAMICS PERFORMANCE TESTING SYSTEM
- Publication number 20150114084
- Publication date Apr 30, 2015
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- G01 - MEASURING TESTING