Qinmin Yang

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Blackboard eraser cleaner
- Patent number 11,951,765
- Issue date Apr 9, 2024
- Zhejiang University
- Qinmin Yang
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Needle-based synergistic double helix electrode dielectric barrier...
- Patent number 11,895,764
- Issue date Feb 6, 2024
- HANGZHOU CITY UNIVERSITY
- Qi Qiu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
BLACKBOARD ERASER CLEANER
- Publication number 20240140131
- Publication date May 2, 2024
- Zhejiang University
- QINMIN YANG
- B08 - CLEANING