Inventor

CHANG RONGYAO

CN2 patents

⚠️ This page may combine multiple inventors who share the name “CHANG RONGYAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEMICONDUCTOR MFG INT BEIJING CORP

1 patent

US11276698B2Mar 15, 2022

Flash memory device and manufacture thereof

SEMICONDUCTOR MFG INT BEIJING CORP2 citations67

SEMICONDUCTOR MFG INT SHANGHAI CORP

1 patent

US10504728B2Dec 10, 2019

Manufacturing method of semiconductor device

SEMICONDUCTOR MFG INT SHANGHAI CORP0 citations34