Wenkui He

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Credible alliance blockchain digital calibration certificate system...
- Patent number 12,137,177
- Issue date Nov 5, 2024
- National Institute of Metrology, China
- Xiang Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRUSTED SPACE POSITIONING CALIBRATION SERVICE SYSTEM AND OPERATION...
- Publication number 20240142634
- Publication date May 2, 2024
- National Institute of Metrology, China
- Xingchuang XIONG
- G01 - MEASURING TESTING
Information Patent Application
CREDIBLE ALLIANCE BLOCKCHAIN DIGITAL CALIBRATION CERTIFICATE SYSTEM...
- Publication number 20220393890
- Publication date Dec 8, 2022
- NATIONAL INSTITUTE OF METROLOGY, CHINA
- Xiang Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE