Chaofan LI

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Changchun, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rapid dot matrix micro-nano impact indentation testing system
- Patent number 12,247,956
- Issue date Mar 11, 2025
- Jilin University
- Zhichao Ma
- G01 - MEASURING TESTING
Information Patent Grant
Pin-on-disk type in-situ current-carrying friction testing system
- Patent number 12,247,957
- Issue date Mar 11, 2025
- Jilin University
- Zhichao Ma
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
COMPOUND EYE-BASED IN-SITU MONITORING UNIT, MICRO-ADJUSTMENT UNIT,...
- Publication number 20220201174
- Publication date Jun 23, 2022
- Jilin University
- Zhichao MA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE