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Songyang YU
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Foster City, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for authenticating printed documents that cont...
Patent number
9,596,378
Issue date
Mar 14, 2017
Konica Minolta Laboratory U.S.A., Inc.
Xiaonong Zhan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for authenticating printed documents that cont...
Patent number
9,319,556
Issue date
Apr 19, 2016
Konica Minolta Laboratory U.S.A., Inc.
Xiaonong Zhan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for binarizing scanned document images containing gray or li...
Patent number
8,947,736
Issue date
Feb 3, 2015
Konica Minolta Laboratory U.S.A., Inc.
Songyang Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of detection document alteration by comparing characters usi...
Patent number
8,331,670
Issue date
Dec 11, 2012
Konica Minolta Laboratory U.S.A., Inc.
Songyang Yu
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR AUTHENTICATING PRINTED DOCUMENTS THAT CONT...
Publication number
20160198065
Publication date
Jul 7, 2016
KONICA MINOLTA LABORATORY U.S.A., INC.
Xiaonong Zhan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR AUTHENTICATING PRINTED DOCUMENTS THAT CONT...
Publication number
20130050764
Publication date
Feb 28, 2013
KONICA MINOLTA LABORATORY U.S.A., INC.
Xiaonong Zhan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR DOCUMENT AUTHENTICATION USING IMAGE COMPAR...
Publication number
20130050765
Publication date
Feb 28, 2013
KONICA MINOLTA LABORATORY U.S.A., INC.
Xiaonong Zhan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD OF DETECTION DOCUMENT ALTERATION BY COMPARING CHARACTERS USI...
Publication number
20120243785
Publication date
Sep 27, 2012
KONICA MINOLTA LABORATORY U.S.A., INC.
Songyang YU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR BINARIZING SCANNED DOCUMENT IMAGES CONTAINING GRAY OR LI...
Publication number
20120120453
Publication date
May 17, 2012
KONICA MINOLTA SYSTEMS LABORATORY, INC.
Songyang YU
H04 - ELECTRIC COMMUNICATION TECHNIQUE