Zhuwen Chen

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sampling method and sampling apparatus for anti-counterfeiting info...
- Patent number 10,109,132
- Issue date Oct 23, 2018
- GRG Banking Equipment Co., Ltd.
- Hui Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Paper currency number recognition apparatus and recognition method
- Patent number 9,741,193
- Issue date Aug 22, 2017
- GRG Banking Equipment Co., Ltd.
- Zhuwen Chen
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
SAMPLING METHOD AND SAMPLING APPARATUS FOR ANTI-COUNTERFEITING INFO...
- Publication number 20170352222
- Publication date Dec 7, 2017
- GRG Banking Equipment Co., Ltd.
- Hui Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PAPER CURRENCY NUMBER RECOGNITION APPARATUS AND RECOGNITION METHOD
- Publication number 20150279141
- Publication date Oct 1, 2015
- GRG Banking Equipment Co., Ltd.
- Zhuwen Chen
- G07 - CHECKING-DEVICES