Inventor
ZHOU JIANGYING
US12 patents
⚠️ This page may combine multiple inventors who share the name “ZHOU JIANGYING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS6201901B1Mar 13, 2001
Border-less clock free two-dimensional barcode and method for printing and reading the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD97 citations98
US6115508ASep 5, 2000
Clock free two-dimensional barcode and method for printing and reading the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD166 citations98
US5892843AApr 6, 1999
Title, caption and photo extraction from scanned document images
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD284 citations98
US5862270AJan 19, 1999
Clock free two-dimensional barcode and method for printing and reading the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD126 citations98
US6418244B2Jul 9, 2002
Border-less clock free two-dimensional barcode and method for printing and reading the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62 citations96
US6327388B1Dec 4, 2001
Identification of logos from document images
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62 citations95
US5974200AOct 26, 1999
Method of locating a machine readable two dimensional barcode within an image
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92