Caifeng Liu

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer wiring coupling dual interface card carrier-band module
- Patent number 9,996,790
- Issue date Jun 12, 2018
- Beijing Basch Smartcard Co., Ltd.
- Caifeng Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multilayer wiring type double-interface IC card antenna module
- Patent number 9,373,071
- Issue date Jun 21, 2016
- Beijing Basch Smartcard Co., Ltd.
- Caifeng Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MULTILAYER WIRING COUPLING DUAL INTERFACE CARD CARRIER-BAND MODULE
- Publication number 20170316301
- Publication date Nov 2, 2017
- Beijing Basch Smartcard Co., Ltd.
- Caifeng LIU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTILAYER WIRING TYPE DOUBLE-INTERFACE IC CARD ANTENNA MODULE
- Publication number 20150161502
- Publication date Jun 11, 2015
- Beijing Basch Smartcard Co., Ltd.
- Caifeng Liu
- G06 - COMPUTING CALCULATING COUNTING