Inventor
WANG QIANWEN
CN6 patents
⚠️ This page may combine multiple inventors who share the name “WANG QIANWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRG BANKING EQUIPMENT CO LTD
4 patentsUS9866727B2Jan 9, 2018
Image calibration method and device
GRG BANKING EQUIPMENT CO LTD2 citations70
US9773299B2Sep 26, 2017
Method for correcting fragmentary or deformed quadrangular image
GRG BANKING EQUIPMENT CO LTD2 citations66
US9672677B2Jun 6, 2017
Method and apparatus for detecting magnetic signal of paper money
GRG BANKING EQUIPMENT CO LTD0 citations46
US10049523B2Aug 14, 2018
Method and device for detecting overlapped bank notes
GRG BANKING EQUIPMENT CO LTD0 citations39