Liwei ZHU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle-road cooperation precise positioning method based on electr...
- Patent number 12,196,559
- Issue date Jan 14, 2025
- Research Institute of Highway Ministry of Transport
- Zhichao Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Intelligent cloud traffic control system and traffic control method
- Patent number 11,176,816
- Issue date Nov 16, 2021
- Yanqing Cen
- G08 - SIGNALLING
Information Patent Grant
Turn-on voltage supplying circuit and method, defect analyzing meth...
- Patent number 10,885,866
- Issue date Jan 5, 2021
- BOE Technology Group Co., Ltd.
- Ming Hua
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
VEHICLE-ROAD COOPERATION PRECISE POSITIONING METHOD BASED ON ELECTR...
- Publication number 20240255286
- Publication date Aug 1, 2024
- RESEARCH INSTITUTE OF HIGHWAY MINISTRY OF TRANSPORT
- Zhichao LIU
- B60 - VEHICLES IN GENERAL
Information Patent Application
INTELLIGENT CLOUD TRAFFIC CONTROL SYSTEM AND TRAFFIC CONTROL METHOD
- Publication number 20210327263
- Publication date Oct 21, 2021
- RESEARCH INSTITUTE OF HIGHWAY MINISTRY OF TRANSPORT
- Yanqing CEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOUD-EDGE-END COOPERATIVE HIGHWAY CLOUD CONTROL SYSTEM AND CONTROL...
- Publication number 20210295684
- Publication date Sep 23, 2021
- RESEARCH INSTITUTE OF HIGHWAY MINISTRY OF TRANSPORT
- Yanqing CEN
- G08 - SIGNALLING
Information Patent Application
TURN-ON VOLTAGE SUPPLYING CIRCUIT AND METHOD, DEFECT ANALYZING METH...
- Publication number 20180308447
- Publication date Oct 25, 2018
- BOE TECHNOLOGY GROUP CO., LTD.
- Ming HUA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS