Inventor
CHEN MINGQUAN
CN10 patents
⚠️ This page may combine multiple inventors who share the name “CHEN MINGQUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HANGZHOU DANA TECH INC
8 patentsUS11508251B2Nov 22, 2022
Method and system for intelligent identification and correction of questions
HANGZHOU DANA TECH INC6 citations73
US11823358B2Nov 21, 2023
Handwritten content removing method and device and storage medium
HANGZHOU DANA TECH INC1 citations61
US12424008B2Sep 23, 2025
Object recognition processing method, processing apparatus, electronic device, and storage medium
HANGZHOU DANA TECH INC0 citations50
US11721229B2Aug 8, 2023
Question correction method, device, electronic equipment and storage medium for oral calculation questions
HANGZHOU DANA TECH INC0 citations50
US11521506B2Dec 6, 2022
Calculation practicing method, system, electronic device and computer readable storage medium
HANGZHOU DANA TECH INC0 citations50
US11749128B2Sep 5, 2023
Answer correction method and device
HANGZHOU DANA TECH INC0 citations47
US11450081B2Sep 20, 2022
Examination paper correction method and apparatus, electronic device, and storage medium
HANGZHOU DANA TECH INC0 citations47
US11410407B2Aug 9, 2022
Method and device for generating collection of incorrectly-answered questions
HANGZHOU DANA TECH INC0 citations47