Jinqiang LIU

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Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic latching relay
- Patent number 11,501,938
- Issue date Nov 15, 2022
- Xiamen Hongfa Electroacoustic Co., Ltd.
- Jinghuang Lin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High power and high insulation performance relay for solar photovol...
- Patent number 11,031,201
- Issue date Jun 8, 2021
- Xiamen Hongfa Electroacoustic Co., Ltd.
- Feifei Fu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic latching relay of parallel type magnetic circuit
- Patent number 9,754,750
- Issue date Sep 5, 2017
- Xiamen Hongfa Electroacoustic Co., Ltd.
- Wenzhi Cai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC LATCHING RELAY
- Publication number 20210012989
- Publication date Jan 14, 2021
- Xiamen Hongfa Electroacoustic Co., Ltd.
- Jinghuang Lin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH POWER AND HIGH INSULATION PERFORMANCE RELAY FOR SOLAR PHOTOVOL...
- Publication number 20190362923
- Publication date Nov 28, 2019
- Xiamen Hongfa Electroacoustic Co., Ltd.
- Feifei Fu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetic Latching Relay of Parallel Type Magnetic Circuit
- Publication number 20160196942
- Publication date Jul 7, 2016
- Xiamen Hongfa Electroacoustic Co., Ltd.
- Wenzhi CAI
- H01 - BASIC ELECTRIC ELEMENTS