Inventor
LIU XINRAN
CN13 patents
⚠️ This page may combine multiple inventors who share the name “LIU XINRAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANGXIN MEMORY TECH INC
8 patentsUS12176252B2Dec 24, 2024
Method and device for predicting inclination angle, and method and device for monitoring etching device
CHANGXIN MEMORY TECH INC0 citations59
US12193207B2Jan 7, 2025
Semiconductor device and method for manufacturing the same
CHANGXIN MEMORY TECH INC0 citations52
US12432903B2Sep 30, 2025
Semiconductor structure and method for fabricating same
CHANGXIN MEMORY TECH INC0 citations50
US12419036B2Sep 16, 2025
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC0 citations48
US12183776B2Dec 31, 2024
Method for forming capacitor via
CHANGXIN MEMORY TECH INC0 citations48
US12308295B2May 20, 2025
Method for obtaining parameters of semiconductor structure, method for obtaining detection standard and detection method
CHANGXIN MEMORY TECH INC0 citations47
US12107021B2Oct 1, 2024
Process monitoring method and process monitoring system
CHANGXIN MEMORY TECH INC0 citations47
US12513916B2Dec 30, 2025
Semiconductor structure and manufacturing method therefor
CHANGXIN MEMORY TECH INC0 citations45