Maria Qian Zhao

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San Pablo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Determining document authenticity in a closed-loop process
- Patent number 8,170,275
- Issue date May 1, 2012
- Konica Minolta Laboratory U.S.A., Inc.
- Maria Qian Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Creation and placement of two-dimensional barcode stamps on printed...
- Patent number 8,144,361
- Issue date Mar 27, 2012
- Konica Minolta Laboratory U.S.A., Inc.
- Wei Ming
- G07 - CHECKING-DEVICES
Information Patent Grant
Method for correcting skew in scanned documents
- Patent number 8,027,067
- Issue date Sep 27, 2011
- Konica Minolta Laboratory U.S.A., Inc.
- Maria Qian Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining document authenticity in a closed-loop process
- Patent number 7,925,045
- Issue date Apr 12, 2011
- Konica Minolta Systems Laboratory, Inc.
- Maria Qian Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DETERMINING DOCUMENT AUTHENTICITY IN A CLOSED-LOOP PROCESS
- Publication number 20110149348
- Publication date Jun 23, 2011
- KONICA MINOLTA LABORATORY U.S.A., INC.
- Maria Qian Zhao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CREATION AND PLACEMENT OF TWO-DIMENSIONAL BARCODE STAMPS ON PRINTED...
- Publication number 20090238625
- Publication date Sep 24, 2009
- KONICA MINOLTA SYSTEMS LABORATORY, INC.
- Wei Ming
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CREATION AND PLACEMENT OF TWO-DIMENSIONAL BARCODE STAMPS ON PRINTED...
- Publication number 20090238626
- Publication date Sep 24, 2009
- KONICA MINOLTA SYSTEMS LABORATORY, INC.
- Wei Ming
- G07 - CHECKING-DEVICES
Information Patent Application
DETERMINING DOCUMENT AUTHENTICITY IN A CLOSED-LOOP PROCESS
- Publication number 20090067666
- Publication date Mar 12, 2009
- KONICA MINOLTA SYSTEMS LABORATORY, INC.
- Maria Qian Zhao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR CORRECTING SKEW IN SCANNED DOCUMENTS
- Publication number 20090041383
- Publication date Feb 12, 2009
- KONICA MINOLTA SYSTEMS LABORATORY, INC.
- Maria Qian Zhao
- G06 - COMPUTING CALCULATING COUNTING