Nianfang WAN

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Qingdao, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Membrane electrode assembly of fuel cell and preparation method the...
- Patent number 11,302,947
- Issue date Apr 12, 2022
- CRRC Qingdao Sifang Co., Ltd.
- Nianfang Wan
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MEMBRANE ELECTRODE ASSEMBLY OF FUEL CELL AND PREPARATION METHOD THE...
- Publication number 20210194029
- Publication date Jun 24, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Nianfang WAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MICROPOROUS LAYER STRUCTURE OF FUEL CELL AND PREPARATION METHOD THE...
- Publication number 20210194028
- Publication date Jun 24, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Nianfang WAN
- H01 - BASIC ELECTRIC ELEMENTS