Inventor
ZHOU WENXI
CN143 patents
Patents
50 patentsUS11562945B2Jan 24, 2023
Semiconductor device having a spacer structure in a conductive layer and a contact structure in the spacer structure
YANGTZE MEMORY TECH CO LTD7 citations86
US12255181B2Mar 18, 2025
Methods for forming three-dimensional memory devices
YANGTZE MEMORY TECH CO LTD2 citations75
US11935596B2Mar 19, 2024
Three-dimensional memory devices having polysilicon layer and bonded semiconductor structures and methods for forming the same
YANGTZE MEMORY TECH CO LTD4 citations75
US11929119B2Mar 12, 2024
Three-dimensional memory devices and memory system
YANGTZE MEMORY TECH CO LTD3 citations75
US11862565B2Jan 2, 2024
Contact structures for three-dimensional memory
YANGTZE MEMORY TECH CO LTD4 citations75
US12136618B2Nov 5, 2024
Three-dimensional memory device with backside source contact
YANGTZE MEMORY TECH CO LTD2 citations73
US12136586B2Nov 5, 2024
Semiconductor devices having a conductive layer stacking with an insulating layer and a spacer structure through the conductive layer
YANGTZE MEMORY TECH CO LTD2 citations73
US12082408B2Sep 3, 2024
Three-dimensional memory devices having first semiconductor structure bonded with second semiconductor structure each including peripheral circuit and methods for forming the same
YANGTZE MEMORY TECH CO LTD2 citations73
US12075621B2Aug 27, 2024
Three-dimensional memory device and method for forming the same
YANGTZE MEMORY TECH CO LTD2 citations73
US12020750B2Jun 25, 2024
Three-dimensional memory devices
YANGTZE MEMORY TECH CO LTD2 citations73
US11837541B2Dec 5, 2023
Memory device and fabrication method thereof
YANGTZE MEMORY TECH CO LTD2 citations73
US11812614B2Nov 7, 2023
Vertical memory devices
YANGTZE MEMORY TECH CO LTD1 citations73
US11735543B2Aug 22, 2023
DRAM memory device with xtacking architecture
YANGTZE MEMORY TECH CO LTD2 citations73
US11716853B2Aug 1, 2023
Method for fabricating three-dimensional memory device by thickening an epitaxial layer
YANGTZE MEMORY TECH CO LTD2 citations73
US11699659B2Jul 11, 2023
Staircase structure in three-dimensional memory device and method for forming the same
YANGTZE MEMORY TECH CO LTD3 citations73
US11696439B2Jul 4, 2023
Staircase structure in three-dimensional memory device and method for forming the same
YANGTZE MEMORY TECH CO LTD2 citations73
US11626416B2Apr 11, 2023
Method for forming three-dimensional memory device with backside source contact
YANGTZE MEMORY TECH CO LTD2 citations73
US11574922B2Feb 7, 2023
Three-dimensional memory devices
YANGTZE MEMORY TECH CO LTD3 citations73
US11508750B2Nov 22, 2022
Three-dimensional memory device including a peripheral circuit and a memory stack
YANGTZE MEMORY TECH CO LTD2 citations73
US11456290B2Sep 27, 2022
Three-dimensional memory device with backside source contact
YANGTZE MEMORY TECH CO LTD3 citations73
US11380629B2Jul 5, 2022
Methods for forming three-dimensional memory devices with supporting structure for staircase region
YANGTZE MEMORY TECH CO LTD5 citations73
US11342264B2May 24, 2022
3D NAND memory device and method of forming the same
YANGTZE MEMORY TECH CO LTD1 citations73
US11233007B2Jan 25, 2022
Staircase structure in three-dimensional memory device and method for forming the same
YANGTZE MEMORY TECH CO LTD4 citations73
US11227871B2Jan 18, 2022
Three-dimensional memory device and method for forming the same
YANGTZE MEMORY TECH CO LTD4 citations73
US12520486B2Jan 6, 2026
Memory devices and methods for forming the same
YANGTZE MEMORY TECH CO LTD1 citations64
US12477749B2Nov 18, 2025
Three-dimensional memory devices having semiconductor assemblies bonded by bonding layer and methods for forming the same
YANGTZE MEMORY TECH CO LTD1 citations64
US12262533B2Mar 25, 2025
Dynamic flash memory (DFM) with multi-cells
YANGTZE MEMORY TECH CO LTD1 citations64
US12191269B2Jan 7, 2025
Three-dimensional memory device and method for forming the same
YANGTZE MEMORY TECH CO LTD1 citations64
US12593445B2Mar 31, 2026
Control gate structures in three-dimensional memory devices and methods for forming the same
YANGTZE MEMORY TECH CO LTD0 citations63
US12550329B2Feb 10, 2026
Vertical memory devices
YANGTZE MEMORY TECH CO LTD0 citations63
US12543316B2Feb 3, 2026
Memory device with word lines and contact landing
YANGTZE MEMORY TECH CO LTD0 citations63
US12526996B2Jan 13, 2026
Three-dimensional memory devices
YANGTZE MEMORY TECH CO LTD0 citations63
US12526999B2Jan 13, 2026
Three-dimensional memory device and fabrication method thereof
YANGTZE MEMORY TECH CO LTD0 citations63
US12432921B2Sep 30, 2025
Three-dimensional memory devices and methods for forming the same
YANGTZE MEMORY TECH CO LTD0 citations63
US12402313B2Aug 26, 2025
Methods for forming three-dimensional memory device
YANGTZE MEMORY TECH CO LTD0 citations63
US12315802B2May 27, 2025
Memory device and fabrication method thereof
YANGTZE MEMORY TECH CO LTD0 citations63
US12310011B2May 20, 2025
Three-dimensional memory devices and methods for forming the same
YANGTZE MEMORY TECH CO LTD0 citations63
US12302573B2May 13, 2025
Three-dimensional memory device with backside interconnect structures
YANGTZE MEMORY TECH CO LTD0 citations63
US12205895B2Jan 21, 2025
Three-dimensional memory device having staircase structure and method for forming the same
YANGTZE MEMORY TECH CO LTD0 citations63
US12167605B2Dec 10, 2024
Vertical memory devices
YANGTZE MEMORY TECH CO LTD0 citations63
US12159849B2Dec 3, 2024
DRAM memory device with Xtacking architecture
YANGTZE MEMORY TECH CO LTD0 citations63
US12094767B2Sep 17, 2024
Barrier layers for word line contacts in a three-dimensional NAND memory and fabrication methods thereof
YANGTZE MEMORY TECH CO LTD0 citations63
US12082411B2Sep 3, 2024
Three-dimensional memory device with backside interconnect structures
YANGTZE MEMORY TECH CO LTD0 citations63
US12033957B2Jul 9, 2024
Three-dimensional memory devices and methods for forming the same
YANGTZE MEMORY TECH CO LTD1 citations63
US12002757B2Jun 4, 2024
Staircase structure in three-dimensional memory device and method for forming the same
YANGTZE MEMORY TECH CO LTD0 citations63
US11978737B2May 7, 2024
Three-dimensional memory device and fabrication method thereof
YANGTZE MEMORY TECH CO LTD0 citations63
US11980030B2May 7, 2024
Three-dimensional memory device and fabrication method thereof
YANGTZE MEMORY TECH CO LTD0 citations63
US11862251B2Jan 2, 2024
Method and apparatus for data erase in memory devices
YANGTZE MEMORY TECH CO LTD0 citations63
US11864388B2Jan 2, 2024
Vertical memory devices
YANGTZE MEMORY TECH CO LTD0 citations63
US11621275B2Apr 4, 2023
Three-dimensional memory device with hydrogen-rich semiconductor channels
YANGTZE MEMORY TECH CO LTD0 citations63
Showing the top 50 of 143 patents by PatentIndex Score.