Lei Wen

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
GaAs thin film grown on Si substrate, and preparation method for Ga...
- Patent number 10,541,133
- Issue date Jan 21, 2020
- South China University of Technology
- Guoqiang Li
- C30 - CRYSTAL GROWTH
Information Patent Grant
InGaAs film grown on Si substrate and method for preparing the same
- Patent number 9,870,918
- Issue date Jan 16, 2018
- South China University of Technology
- Guoqiang Li
- C30 - CRYSTAL GROWTH
Information Patent Grant
Connector for cash box
- Patent number 8,740,633
- Issue date Jun 3, 2014
- GRG Banking Equipment Co., Ltd.
- Wenjun Liao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HETEROJUNCTION SOLAR CELL WITH HOLE TRANSPORT LAYER AND PREPARATION...
- Publication number 20200194700
- Publication date Jun 18, 2020
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY
- Shuguang ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAAS THIN FILM GROWN ON SI SUBSTRATE, AND PREPARATION METHOD FOR GA...
- Publication number 20180090316
- Publication date Mar 29, 2018
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY
- Guoqiang LI
- C30 - CRYSTAL GROWTH
Information Patent Application
INGAAS FILM GROWN ON SI SUBSTRATE AND METHOD FOR PREPARING THE SAME
- Publication number 20160218006
- Publication date Jul 28, 2016
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY
- Guoqiang LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONNECTOR FOR CASH BOX
- Publication number 20120155956
- Publication date Jun 21, 2012
- GRG Banking Equipment Co., Ltd.
- Wenjun Liao
- G07 - CHECKING-DEVICES