Haijun LIU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Insulation coordination method and system for a series compensation...
- Patent number 11,062,078
- Issue date Jul 13, 2021
- Global Energy Interconnection Research Institute Co., Ltd
- Jing Ge
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Control method and device for alternating-current and direct-curren...
- Patent number 10,951,110
- Issue date Mar 16, 2021
- Global Energy Interconnection Research Institute Co., Ltd
- Zhanfeng Deng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light guide device
- Patent number 8,100,572
- Issue date Jan 24, 2012
- Beijing BOE Optoelectronics Technology Co., Ltd
- Haijun Liu
- G02 - OPTICS
Information Patent Grant
Light source and backlight module with the same
- Patent number 7,993,026
- Issue date Aug 9, 2011
- Beijing BOE Optoelectronics Technology Co., Ltd
- Daekeun Yoon
- G02 - OPTICS
Information Patent Grant
Light source and backlight module with the same
- Patent number 7,854,533
- Issue date Dec 21, 2010
- Beijing BOE Optoelectronics Technology Co., Ltd
- Daekeun Yoon

Patents Applicationslast 30 patents

Information Patent Application
VERTICAL THYRISTOR SWITCH FOR CONTROLLABLE SURGE ARRESTER
- Publication number 20240429705
- Publication date Dec 26, 2024
- GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE CO., LTD.
- Guoliang ZHAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INSULATION COORDINATION METHOD AND SYSTEM FOR A SERIES COMPENSATION...
- Publication number 20210216698
- Publication date Jul 15, 2021
- GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE CO., LTD.
- Jing Ge
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONTROL METHOD AND DEVICE FOR ALTERNATING-CURRENT AND DIRECT-CURREN...
- Publication number 20200195126
- Publication date Jun 18, 2020
- GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE CO., LTD.
- Zhanfeng DENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LIGHT GUIDE DEVICE
- Publication number 20100046247
- Publication date Feb 25, 2010
- Haijun LIU
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE AND BACKLIGHT MODULE WITH THE SAME
- Publication number 20090073682
- Publication date Mar 19, 2009
- Daekeun YOON
- G02 - OPTICS