Xuechao Jiang

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Bijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Antenna for the plug-in dual-interface smart card
- Patent number 7,742,009
- Issue date Jun 22, 2010
- Beijing Watch Data System Co., Ltd.
- Yong Li
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ANTENNA FOR THE PLUG-IN DUAL-INTERFACE SMART CARD
- Publication number 20090102741
- Publication date Apr 23, 2009
- Beijing Watch Data System Co., LTD.
- Yong Li
- G06 - COMPUTING CALCULATING COUNTING