Inventor
SHANG WEIBING
CN44 patents
Patents
44 patentsUS11538515B2Dec 27, 2022
DRAM memory
CHANGXIN MEMORY TECH INC13 citations85
US11894048B2Feb 6, 2024
Control amplifying circuit, sense amplifier and semiconductor memory
CHANGXIN MEMORY TECH INC3 citations74
US11423956B2Aug 23, 2022
Sensitivity amplifier, its control method, memory and its read-write circuit
CHANGXIN MEMORY TECH INC4 citations72
US11451219B2Sep 20, 2022
Delay circuit and delay structure
CHANGXIN MEMORY TECH INC5 citations71
US11533048B1Dec 20, 2022
Delay circuit
CHANGXIN MEMORY TECH INC5 citations65
US12327600B2Jun 10, 2025
Memory with error checking and correcting unit
CHANGXIN MEMORY TECH INC0 citations61
US11894089B2Feb 6, 2024
Memory with error checking and correcting unit
CHANGXIN MEMORY TECH INC0 citations61
US11875045B2Jan 16, 2024
Semiconductor memory and method for density configuring of bank of semiconductor memory
CHANGXIN MEMORY TECH INC0 citations61
US12217789B2Feb 4, 2025
Control amplification circuit, sensitive amplifier and semiconductor memory
CHANGXIN MEMORY TECH INC0 citations59
US12033689B2Jul 9, 2024
Amplification control method and circuit, sensitive amplifier and semiconductor memory
CHANGXIN MEMORY TECH INC0 citations59
US12451180B2Oct 21, 2025
Offset cancellation method and method of preventing noise generated during sensing and amplification
CHANGXIN MEMORY TECH INC0 citations52
US12237038B2Feb 25, 2025
Local sensing amplifier and memory
CHANGXIN MEMORY TECH INC0 citations52
US12119045B2Oct 15, 2024
Memory array layers with alternating sense amplifier layers
CHANGXIN MEMORY TECH INC0 citations52
US12100444B2Sep 24, 2024
Memory
CHANGXIN MEMORY TECH INC0 citations52
US12087385B2Sep 10, 2024
Method for obtaining circuit noise parameters and electronic device
CHANGXIN MEMORY TECH INC0 citations52
US11995341B2May 28, 2024
Read/write switching circuit and memory
CHANGXIN MEMORY TECH INC0 citations52
US11830571B2Nov 28, 2023
Read-write conversion circuit, read-write conversion circuit driving method, and memory
CHANGXIN MEMORY TECH INC0 citations52
US11783877B2Oct 10, 2023
Read-write conversion circuit and memory
CHANGXIN MEMORY TECH INC0 citations52
US11423999B2Aug 23, 2022
Memory and its addressing method including redundant decoding and normal decoding
CHANGXIN MEMORY TECH INC0 citations52
US12374389B2Jul 29, 2025
Memory bank and memory
CHANGXIN MEMORY TECH INC0 citations51
US12315555B2May 27, 2025
Amplification circuit, control method, and memory
CHANGXIN MEMORY TECH INC0 citations51
US12266397B2Apr 1, 2025
Amplification circuit, control method, and memory
CHANGXIN MEMORY TECH INC0 citations51
US12254939B2Mar 18, 2025
Memory structure and memory device
CHANGXIN MEMORY TECH INC0 citations51
US12190985B2Jan 7, 2025
Sense amplifier circuit, memory device, and operation method thereof
CHANGXIN MEMORY TECH INC0 citations51
US12176054B2Dec 24, 2024
Memory bank and memory
CHANGXIN MEMORY TECH INC0 citations51
US11887657B2Jan 30, 2024
Amplifier circuit, control method, and memory
CHANGXIN MEMORY TECH INC0 citations51
US11880585B2Jan 23, 2024
Semiconductor memory and method for writing data
CHANGXIN MEMORY TECH INC0 citations51
US11869578B2Jan 9, 2024
Memory bank and memory
CHANGXIN MEMORY TECH INC0 citations51
US11862284B2Jan 2, 2024
Sense amplifier, memory and data readout method
CHANGXIN MEMORY TECH INC0 citations51
US11693786B2Jul 4, 2023
Semiconductor memory device with mapping factor generating unit for improving reliability
CHANGXIN MEMORY TECH INC0 citations51
US11671106B2Jun 6, 2023
Pulse signal generation circuit and method, and memory
CHANGXIN MEMORY TECH INC0 citations51
US11437996B2Sep 6, 2022
Dynamic control conversion circuit
CHANGXIN MEMORY TECH INC0 citations51
US12517538B2Jan 6, 2026
Power supply circuit and chip
CHANGXIN MEMORY TECH INC0 citations50
US12315554B2May 27, 2025
Decoding drive circuit and method therefor, word line decoding circuit and semiconductor memory
CHANGXIN MEMORY TECH INC0 citations50
US12260899B2Mar 25, 2025
Decoder driver circuit and memory chip
CHANGXIN MEMORY TECH INC0 citations50
US12131059B2Oct 29, 2024
Data writing circuit, data writing method, and memory
CHANGXIN MEMORY TECH INC0 citations50
US12093110B2Sep 17, 2024
Power control circuit and control method
CHANGXIN MEMORY TECH INC0 citations50
US12009024B2Jun 11, 2024
Circuit for reading out data, method for reading out data and memory
CHANGXIN MEMORY TECH INC0 citations50
US11848045B2Dec 19, 2023
Memory integrated circuit with local amplifier module and local read-write conversion module to improve operation speed and reduce number of data lines
CHANGXIN MEMORY TECH INC0 citations50
US11676642B2Jun 13, 2023
Memory for implementing at least one of reading or writing command
CHANGXIN MEMORY TECH INC0 citations50
US12575091B2Mar 10, 2026
Semiconductor structure and processor
CHANGXIN MEMORY TECH INC0 citations49
US11900991B2Feb 13, 2024
Integrated circuit for memory
CHANGXIN MEMORY TECH INC0 citations49
US12283339B2Apr 22, 2025
Data transmission circuit and memory device
CHANGXIN MEMORY TECH INC0 citations45
US12469576B2Nov 11, 2025
Memory with arrays of sense amplifiers and two error checking and correction (ECC) modules
CHANGXIN MEMORY TECH INC0 citations39