Junwei LIANG

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DONGGUAN, CN

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR IMPROVING ELEVATOR MAINTAINABILITY
- Publication number 20230131724
- Publication date Apr 27, 2023
- Dongguan Yaosheng Auto Parts Co., Ltd.
- Junwei LIANG
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND DEVICE FOR IMPROVING CURRENT TRANSMISSION RELIABILITY
- Publication number 20230055173
- Publication date Feb 23, 2023
- Dongguan Yaosheng Auto Parts Co., Ltd.
- Jiwu SUN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER