Inventor
YU YUANCHAO
CN6 patents
⚠️ This page may combine multiple inventors who share the name “YU YUANCHAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRG BANKING EQUIPMENT CO LTD
4 patentsUS9378415B2Jun 28, 2016
Recognition method and recognition device for sheet-type medium
GRG BANKING EQUIPMENT CO LTD0 citations50
US9499006B2Nov 22, 2016
Anti-counterfeiting feature generation method for valuable document and authentication method and device therefor
GRG BANKING EQUIPMENT CO LTD0 citations39
US9406183B2Aug 2, 2016
Valuable document authentication method and device
GRG BANKING EQUIPMENT CO LTD0 citations39
US10319172B2Jun 11, 2019
Banknote crack detection method and apparatus
GRG BANKING EQUIPMENT CO LTD0 citations31