Inventor
WAN QIANG
CN41 patents
⚠️ This page may combine multiple inventors who share the name “WAN QIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANGXIN MEMORY TECH INC
29 patentsUS12278114B2Apr 15, 2025
Manufacturing method of semiconductor structure
CHANGXIN MEMORY TECH INC1 citations63
US12284801B2Apr 22, 2025
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC0 citations62
US12183586B2Dec 31, 2024
Method for forming semiconductor structure
CHANGXIN MEMORY TECH INC0 citations62
US12125704B2Oct 22, 2024
Method for forming pattern
CHANGXIN MEMORY TECH INC0 citations62
US12082393B2Sep 3, 2024
Method for manufacturing memory and memory
CHANGXIN MEMORY TECH INC0 citations62
US12048138B2Jul 23, 2024
Method for preparing semiconductor structure and semiconductor structure
CHANGXIN MEMORY TECH INC1 citations62
US11594423B2Feb 28, 2023
Forming method of capacitor array and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations62
US11894236B2Feb 6, 2024
Method for manufacturing semiconductor structure
CHANGXIN MEMORY TECH INC0 citations60
US12170201B2Dec 17, 2024
Method for preparing semiconductor structure and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations52
US11985807B2May 14, 2024
Method for manufacturing semiconductor structure and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations52
US11915933B2Feb 27, 2024
Manufacturing method of semiconductor structure
CHANGXIN MEMORY TECH INC0 citations52
US11482526B1Oct 25, 2022
Manufacturing method of memory
CHANGXIN MEMORY TECH INC0 citations52
US12406857B2Sep 2, 2025
Method for fabricating array structure of columnar capacitor and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US12342554B2Jun 24, 2025
Method for fabricating array structure of columnar capacitor and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US12167584B2Dec 10, 2024
Mask structure, semiconductor structure and manufacturing method
CHANGXIN MEMORY TECH INC0 citations51
US12167585B2Dec 10, 2024
Array structure of capacitors, method for manufacturing array structure of capacitors, and dynamic random access memory
CHANGXIN MEMORY TECH INC0 citations51
US12148618B2Nov 19, 2024
Mask structure, semiconductor structure and methods for manufacturing same
CHANGXIN MEMORY TECH INC0 citations51
US12114482B2Oct 8, 2024
Fabrication method of a memory and the memory
CHANGXIN MEMORY TECH INC0 citations51
US12089392B2Sep 10, 2024
Method for manufacturing semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US12082394B2Sep 3, 2024
Method for manufacturing memory and memory
CHANGXIN MEMORY TECH INC0 citations51
US12068158B2Aug 20, 2024
Method for fabricating semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US12046630B2Jul 23, 2024
Manufacturing method of semiconductor structure and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US12027369B2Jul 2, 2024
Mask structure, semiconductor structure and methods for manufacturing same
CHANGXIN MEMORY TECH INC0 citations51
US11997845B2May 28, 2024
Method for manufacturing semiconductor structure and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US11990345B2May 21, 2024
Patterning method and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US11980017B2May 7, 2024
Capacitor structure and its formation method and memory
CHANGXIN MEMORY TECH INC0 citations51
US12062690B2Aug 13, 2024
Capacitor array structure and method for forming same
CHANGXIN MEMORY TECH INC0 citations50
US12369296B2Jul 22, 2025
Manufacturing method of semiconductor structure and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations49
US12198932B2Jan 14, 2025
Method of manufacturing semiconductor structure including spacer filler etch and stacked mandrel layers and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations48
BYD CO LTD
3 patentsUS12545303B2Feb 10, 2026
Vehicle parking control method and apparatus
BYD CO LTD0 citations61
US12509128B2Dec 30, 2025
Control method for train to enter emergency traction mode and train
BYD CO LTD0 citations51
US12115862B2Oct 15, 2024
Method for balancing batteries of a vehicle, and device, and vehicle
BYD CO LTD0 citations51