Haifeng GUO

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Wuhan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor plug having an etch-resistant layer in three-dimensio...
- Patent number 11,094,703
- Issue date Aug 17, 2021
- Yangtze Memory Technologies Co., Ltd.
- Haifeng Guo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Forming method of epitaxial layer, forming method of 3D NAND memory...
- Patent number 10,741,390
- Issue date Aug 11, 2020
- Yangtz Memory Technologies Co., Ltd.
- Haifeng Guo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR SMOKE OR FIRE RECOGNITION, COMPUTER APPARATUS...
- Publication number 20240005757
- Publication date Jan 4, 2024
- CSG POWER GENERATION CO., LTD.
- Liqun SUN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR FORMING SEMICONDUCTOR STRUCTURE
- Publication number 20220320133
- Publication date Oct 6, 2022
- Yangtze Memory Technologies Co., Ltd.
- Xiuzhong Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR PLUG HAVING AN ETCH-RESISTANT LAYER IN THREE-DIMENSIO...
- Publication number 20210249428
- Publication date Aug 12, 2021
- YANGTZE MEMORY TECHNOLOGIES CO., LTD.
- Haifeng Guo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FORMING METHOD OF EPITAXIAL LAYER, FORMING METHOD OF 3D NAND MEMORY...
- Publication number 20200161131
- Publication date May 21, 2020
- Yangtze Memory Technologies Co., Ltd.
- Haifeng GUO
- H01 - BASIC ELECTRIC ELEMENTS