Sik Piu Kwan

Person

Marietta, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sanitizing self-service terminal
- Patent number 11,587,409
- Issue date Feb 21, 2023
- NCR Corporation
- Sik Piu Kwan
- G07 - CHECKING-DEVICES
Information Patent Grant
Decentralized video tracking
- Patent number 10,929,675
- Issue date Feb 23, 2021
- NCR Corporation
- Christopher John Costello
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pick list optimization method
- Patent number 10,650,368
- Issue date May 12, 2020
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal-to-noise ratio image validation
- Patent number 10,558,703
- Issue date Feb 11, 2020
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Item substitution fraud detection
- Patent number 10,078,827
- Issue date Sep 18, 2018
- NCR Corporation
- Jun Li
- G07 - CHECKING-DEVICES
Information Patent Grant
Signal-to-noise ratio image validation
- Patent number 9,870,377
- Issue date Jan 16, 2018
- NCR Corporation
- Sik Piu Kwan
- G07 - CHECKING-DEVICES
Information Patent Grant
Methods and apparatus for fast item identification
- Patent number 9,330,405
- Issue date May 3, 2016
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical code scanner optimized for reading 2D optical codes
- Patent number 9,147,095
- Issue date Sep 29, 2015
- NCR Corporation
- Jun Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, system, and apparatus for a multiple path image scanner
- Patent number 9,087,248
- Issue date Jul 21, 2015
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for low resolution item identification
- Patent number 8,953,062
- Issue date Feb 10, 2015
- NCR Corporation
- Sik Piu Kwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for image recognition in checkout verification
- Patent number 8,876,001
- Issue date Nov 4, 2014
- NCR Corporation
- Nathaniel C. Herwig
- G07 - CHECKING-DEVICES
Information Patent Grant
Apparatus, method and system for extracting pixel data from an imag...
- Patent number 8,584,951
- Issue date Nov 19, 2013
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus, system and method for extending the depth of field of an...
- Patent number 8,584,952
- Issue date Nov 19, 2013
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, device and system for a laser bar code scanner with imaging...
- Patent number 8,567,680
- Issue date Oct 29, 2013
- NCR Corporation
- John P. Roquemore
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus, method and system for elongating pixel data
- Patent number 8,254,725
- Issue date Aug 28, 2012
- NCR Corporation
- Sik Piu Kwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus, method and system for selective reading of pixels from a...
- Patent number 8,186,596
- Issue date May 29, 2012
- NCR Corporation
- Sik Piu Kwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus, method and system for an image scanner with differential...
- Patent number 8,033,468
- Issue date Oct 11, 2011
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for positioning objects for scanning by a hyb...
- Patent number 8,028,916
- Issue date Oct 4, 2011
- NCR Corporation
- Nathaniel C. Herwig
- G07 - CHECKING-DEVICES
Information Patent Grant
High sensitivity radio frequency identification tag
- Patent number 7,893,816
- Issue date Feb 22, 2011
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, device and system for scanning optical codes
- Patent number 7,726,574
- Issue date Jun 1, 2010
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for using noise data to enhance bar code scan...
- Patent number 7,556,198
- Issue date Jul 7, 2009
- NCR Corporation
- Kenneth Joseph Fabian
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic shelf label
- Patent number 7,286,798
- Issue date Oct 23, 2007
- NCR Corporation
- Gary C. Dalton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanner having micro-electro-mechanical systems mirror arra...
- Patent number 7,264,167
- Issue date Sep 4, 2007
- NCR Corporation
- Nathaniel Christopher Herwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic price label battery storage apparatus and replacement me...
- Patent number 6,551,738
- Issue date Apr 22, 2003
- NCR Corporation
- Sik Piu Kwan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic price label mounting apparatus
- Patent number 6,367,752
- Issue date Apr 9, 2002
- NCR Corporation
- Donald L. Forsythe
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display with enhanced character visibility
- Patent number 6,317,184
- Issue date Nov 13, 2001
- NCR Corporation
- Sik Piu Kwan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Ribbon separating mechanism for thermal printer
- Patent number 4,806,948
- Issue date Feb 21, 1989
- NCR Corporation
- Richard G. Bangs
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal printing control system
- Patent number 4,717,924
- Issue date Jan 5, 1988
- NCR Corporation
- Richard G. Bangs
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
SANITIZING SELF-SERVICE TERMINAL
- Publication number 20220223012
- Publication date Jul 14, 2022
- NCR CORPORATION
- Sik Piu Kwan
- G07 - CHECKING-DEVICES
Information Patent Application
DECENTRALIZED VIDEO TRACKING
- Publication number 20190303676
- Publication date Oct 3, 2019
- NCR CORPORATION
- Christopher John Costello
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNAL-TO-NOISE RATIO IMAGE VALIDATION
- Publication number 20180137120
- Publication date May 17, 2018
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PICK LIST OPTIMIZATION METHOD
- Publication number 20170206517
- Publication date Jul 20, 2017
- NCR CORPORATION
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ITEM SUBSTITUTION FRAUD DETECTION
- Publication number 20160292661
- Publication date Oct 6, 2016
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNAL-TO-NOISE RATIO IMAGE VALIDATION
- Publication number 20150310413
- Publication date Oct 29, 2015
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical Code Scanner Optimized for Reading 2D Optical Codes
- Publication number 20150144693
- Publication date May 28, 2015
- NCR CORPORATION
- Jun Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus For Low Resolution Item Identification
- Publication number 20140253750
- Publication date Sep 11, 2014
- NCR CORPORATION
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus For Fast Item Identification
- Publication number 20140258317
- Publication date Sep 11, 2014
- NCR CORPORATION
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS, SYSTEM AND METHOD FOR EXTENDING THE DEPTH OF FIELD OF AN...
- Publication number 20110272462
- Publication date Nov 10, 2011
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS, METHOD AND SYSTEM FOR ELONGATING PIXEL DATA
- Publication number 20110025867
- Publication date Feb 3, 2011
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS, METHOD AND SYSTEM FOR EXTRACTING PIXEL DATA FROM AN IMAG...
- Publication number 20100147950
- Publication date Jun 17, 2010
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS, METHOD AND SYSTEM FOR REDUCING MOTION BLUR IN AN IMAGE C...
- Publication number 20100147951
- Publication date Jun 17, 2010
- Sik Piu Kwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS, METHOD AND SYSTEM FOR SELECTIVE READING OF PIXELS FROM A...
- Publication number 20100147954
- Publication date Jun 17, 2010
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS, METHOD AND SYSTEM FOR AN IMAGE SCANNER WITH DIFFERENTIAL...
- Publication number 20100012727
- Publication date Jan 21, 2010
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus for Improved Image Processing to Provide Retr...
- Publication number 20090160975
- Publication date Jun 25, 2009
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD, DEVICE AND SYSTEM FOR A LASER BAR CODE SCANNER WITH IMAGING...
- Publication number 20090159683
- Publication date Jun 25, 2009
- John P. Roquemore, III
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus for Signals Exhibiting Improved Signal to Noi...
- Publication number 20090152359
- Publication date Jun 18, 2009
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD, DEVICE AND SYSTEM FOR OFF OPTICAL AXIS ILLUMINATION
- Publication number 20090140051
- Publication date Jun 4, 2009
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus for Inventory and Price Information Management
- Publication number 20090094140
- Publication date Apr 9, 2009
- NCR Corporation
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD, DEVICE AND SYSTEM FOR SCANNING OPTICAL CODES
- Publication number 20090072036
- Publication date Mar 19, 2009
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus for Image Recognition in Checkout Verification
- Publication number 20090039164
- Publication date Feb 12, 2009
- NCR Corporation
- Nathaniel C. Herwig
- G07 - CHECKING-DEVICES
Information Patent Application
Methods and Apparatus for Positioning Objects for Scanning By a Hyb...
- Publication number 20090039166
- Publication date Feb 12, 2009
- NCR Corporation
- Nathaniel C. Herwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE AND SYSTEM FOR A LOW NOISE PHOTODIODE IN A BARCODE SCANNER
- Publication number 20080283605
- Publication date Nov 20, 2008
- Sik Piu Kwan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD, SYSTEM, AND APPARATUS FOR AN ELECTRONIC FREEZE FRAME SHUTTE...
- Publication number 20080142598
- Publication date Jun 19, 2008
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD, SYSTEM, AND APPARATUS FOR A MULTIPLE PATH IMAGE SCANNER
- Publication number 20080135619
- Publication date Jun 12, 2008
- Sik Piu Kwan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus for Using Noise Data to Enhance Bar Code Scan...
- Publication number 20080121716
- Publication date May 29, 2008
- NCR Corporation
- Kenneth Joseph Fabian
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanner
- Publication number 20060113393
- Publication date Jun 1, 2006
- Nathaniel Christopher Herwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic price label battery storage apparatus and replacement me...
- Publication number 20020114992
- Publication date Aug 22, 2002
- Sik Piu Kwan
- H01 - BASIC ELECTRIC ELEMENTS

Sik Piu Kwan

Person

Patents Grantslast 30 patents

Sanitizing self-service terminal

Decentralized video tracking

Pick list optimization method

Signal-to-noise ratio image validation

Item substitution fraud detection

Signal-to-noise ratio image validation

Methods and apparatus for fast item identification

Optical code scanner optimized for reading 2D optical codes

Method, system, and apparatus for a multiple path image scanner

Methods and apparatus for low resolution item identification

Methods and apparatus for image recognition in checkout verification

Apparatus, method and system for extracting pixel data from an imag...

Apparatus, system and method for extending the depth of field of an...

Method, device and system for a laser bar code scanner with imaging...

Apparatus, method and system for elongating pixel data

Apparatus, method and system for selective reading of pixels from a...

Apparatus, method and system for an image scanner with differential...

Methods and apparatus for positioning objects for scanning by a hyb...

High sensitivity radio frequency identification tag

Method, device and system for scanning optical codes

Methods and apparatus for using noise data to enhance bar code scan...

Electronic shelf label

Optical scanner having micro-electro-mechanical systems mirror arra...

Electronic price label battery storage apparatus and replacement me...

Electronic price label mounting apparatus

Liquid crystal display with enhanced character visibility

Ribbon separating mechanism for thermal printer

Thermal printing control system

Patents Applicationslast 30 patents

SANITIZING SELF-SERVICE TERMINAL

DECENTRALIZED VIDEO TRACKING

SIGNAL-TO-NOISE RATIO IMAGE VALIDATION

PICK LIST OPTIMIZATION METHOD

ITEM SUBSTITUTION FRAUD DETECTION

SIGNAL-TO-NOISE RATIO IMAGE VALIDATION

Optical Code Scanner Optimized for Reading 2D Optical Codes

Methods and Apparatus For Low Resolution Item Identification

Methods and Apparatus For Fast Item Identification

APPARATUS, SYSTEM AND METHOD FOR EXTENDING THE DEPTH OF FIELD OF AN...

APPARATUS, METHOD AND SYSTEM FOR ELONGATING PIXEL DATA

APPARATUS, METHOD AND SYSTEM FOR EXTRACTING PIXEL DATA FROM AN IMAG...

APPARATUS, METHOD AND SYSTEM FOR REDUCING MOTION BLUR IN AN IMAGE C...

APPARATUS, METHOD AND SYSTEM FOR SELECTIVE READING OF PIXELS FROM A...

APPARATUS, METHOD AND SYSTEM FOR AN IMAGE SCANNER WITH DIFFERENTIAL...

Methods and Apparatus for Improved Image Processing to Provide Retr...

METHOD, DEVICE AND SYSTEM FOR A LASER BAR CODE SCANNER WITH IMAGING...

Methods and Apparatus for Signals Exhibiting Improved Signal to Noi...

METHOD, DEVICE AND SYSTEM FOR OFF OPTICAL AXIS ILLUMINATION

Methods and Apparatus for Inventory and Price Information Management

METHOD, DEVICE AND SYSTEM FOR SCANNING OPTICAL CODES

Methods and Apparatus for Image Recognition in Checkout Verification

Methods and Apparatus for Positioning Objects for Scanning By a Hyb...

DEVICE AND SYSTEM FOR A LOW NOISE PHOTODIODE IN A BARCODE SCANNER

METHOD, SYSTEM, AND APPARATUS FOR AN ELECTRONIC FREEZE FRAME SHUTTE...

METHOD, SYSTEM, AND APPARATUS FOR A MULTIPLE PATH IMAGE SCANNER

Methods and Apparatus for Using Noise Data to Enhance Bar Code Scan...

Optical scanner

Electronic price label battery storage apparatus and replacement me...