Yankun LI

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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
Information Patent Grant
Rail transit braking energy recovery system and hybrid power rail t...
- Patent number 11,052,774
- Issue date Jul 6, 2021
- CRRC Qingdao Sifang Co., Ltd.
- Xu Zhang
- B60 - VEHICLES IN GENERAL

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
Method, Device and System for Controlling Fuel Cell and Rail Vehicle
- Publication number 20190305348
- Publication date Oct 3, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Donghua WU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RAIL TRANSIT BRAKING ENERGY RECOVERY SYSTEM AND HYBRID POWER RAIL T...
- Publication number 20190225089
- Publication date Jul 25, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Xu ZHANG
- B60 - VEHICLES IN GENERAL