| Patent | Date |
|---|
Sanitizing Self-service Terminal
App 20220223012 - Kwan; Sik Piu | 2022-07-14 |
Decentralized video tracking
Grant 10,929,675 - Costello , et al. February 23, 2 | 2021-02-23 |
Pick list optimization method
Grant 10,650,368 - Kwan | 2020-05-12 |
Signal-to-noise ratio image validation
Grant 10,558,703 - Kwan , et al. Feb | 2020-02-11 |
Decentralized Video Tracking
App 20190303676 - Costello; Christopher John ; et al. | 2019-10-03 |
Item substitution fraud detection
Grant 10,078,827 - Li , et al. September 18, 2 | 2018-09-18 |
Signal-to-noise Ratio Image Validation
App 20180137120 - Kwan; Sik Piu ; et al. | 2018-05-17 |
Signal-to-noise ratio image validation
Grant 9,870,377 - Kwan , et al. January 16, 2 | 2018-01-16 |
Pick List Optimization Method
App 20170206517 - Kwan; Sik Piu | 2017-07-20 |
Item Substitution Fraud Detection
App 20160292661 - Kwan; Sik Piu ; et al. | 2016-10-06 |
Methods and apparatus for fast item identification
Grant 9,330,405 - Kwan May 3, 2 | 2016-05-03 |
Signal-to-noise Ratio Image Validation
App 20150310413 - Kwan; Sik Piu ; et al. | 2015-10-29 |
Optical code scanner optimized for reading 2D optical codes
Grant 9,147,095 - Li , et al. September 29, 2 | 2015-09-29 |
Method, system, and apparatus for a multiple path image scanner
Grant 9,087,248 - Kwan July 21, 2 | 2015-07-21 |
Optical Code Scanner Optimized for Reading 2D Optical Codes
App 20150144693 - Li; Jun ; et al. | 2015-05-28 |
Methods and apparatus for low resolution item identification
Grant 8,953,062 - Kwan February 10, 2 | 2015-02-10 |
Methods and apparatus for image recognition in checkout verification
Grant 8,876,001 - Herwig , et al. November 4, 2 | 2014-11-04 |
Methods and Apparatus For Fast Item Identification
App 20140258317 - Kwan; Sik Piu | 2014-09-11 |
Methods and Apparatus For Low Resolution Item Identification
App 20140253750 - Kwan; Sik Piu | 2014-09-11 |
Apparatus, method and system for extracting pixel data from an image capture device
Grant 8,584,951 - Kwan November 19, 2 | 2013-11-19 |
Apparatus, system and method for extending the depth of field of an optical code scanner
Grant 8,584,952 - Kwan November 19, 2 | 2013-11-19 |
Method, device and system for a laser bar code scanner with imaging assist
Grant 8,567,680 - Roquemore, III , et al. October 29, 2 | 2013-10-29 |
Apparatus, method and system for elongating pixel data
Grant 8,254,725 - Kwan August 28, 2 | 2012-08-28 |
Apparatus, method and system for selective reading of pixels from an image capture device
Grant 8,186,596 - Kwan May 29, 2 | 2012-05-29 |
Apparatus, System And Method For Extending The Depth Of Field Of An Optical Code Scanner
App 20110272462 - Kwan; Sik Piu | 2011-11-10 |
Apparatus, method and system for an image scanner with differential panning
Grant 8,033,468 - Kwan October 11, 2 | 2011-10-11 |
Methods and apparatus for positioning objects for scanning by a hybrid laser and imaging scanner
Grant 8,028,916 - Herwig , et al. October 4, 2 | 2011-10-04 |
High sensitivity radio frequency identification tag
Grant 7,893,816 - Kwan February 22, 2 | 2011-02-22 |
Apparatus, Method And System For Elongating Pixel Data
App 20110025867 - Kwan; Sik Piu | 2011-02-03 |
Apparatus, Method And System For Reducing Motion Blur In An Image Capture Device
App 20100147951 - Kwan; Sik Piu | 2010-06-17 |
Apparatus, Method And System For Extracting Pixel Data From An Image Capture Device
App 20100147950 - Kwan; Sik Piu | 2010-06-17 |
Apparatus, Method And System For Selective Reading Of Pixels From An Image Capture Device
App 20100147954 - Kwan; Sik Piu | 2010-06-17 |
Method, device and system for scanning optical codes
Grant 7,726,574 - Kwan June 1, 2 | 2010-06-01 |
Apparatus, Method And System For An Image Scanner With Differential Panning
App 20100012727 - Kwan; Sik Piu | 2010-01-21 |
Methods and apparatus for using noise data to enhance bar code scanning accuracy
Grant 7,556,198 - Fabian , et al. July 7, 2 | 2009-07-07 |
Method, Device And System For A Laser Bar Code Scanner With Imaging Assist
App 20090159683 - Roquemore, III; John P. ; et al. | 2009-06-25 |
Methods and Apparatus for Improved Image Processing to Provide Retroactive Image Focusing and Improved Depth of Field in Retail Imaging Systems
App 20090160975 - Kwan; Sik Piu | 2009-06-25 |
Methods and Apparatus for Signals Exhibiting Improved Signal to Noise Ratio in Image Bar Code Scanning
App 20090152359 - Kwan; Sik Piu | 2009-06-18 |
Method, Device And System For Off Optical Axis Illumination
App 20090140051 - Kwan; Sik Piu | 2009-06-04 |
Methods and Apparatus for Inventory and Price Information Management
App 20090094140 - Kwan; Sik Piu | 2009-04-09 |
Method, Device And System For Scanning Optical Codes
App 20090072036 - Kwan; Sik Piu | 2009-03-19 |
Methods and Apparatus for Positioning Objects for Scanning By a Hybrid Laser and Imaging Scanner
App 20090039166 - Herwig; Nathaniel C. ; et al. | 2009-02-12 |
Methods and Apparatus for Image Recognition in Checkout Verification
App 20090039164 - Herwig; Nathaniel C. ; et al. | 2009-02-12 |
Device And System For A Low Noise Photodiode In A Barcode Scanner
App 20080283605 - Kwan; Sik Piu | 2008-11-20 |
Method, System, And Apparatus For An Electronic Freeze Frame Shutter For A High Pass-by Image Scanner
App 20080142598 - Kwan; Sik Piu | 2008-06-19 |
Method, System, And Apparatus For A Multiple Path Image Scanner
App 20080135619 - Kwan; Sik Piu | 2008-06-12 |
Methods and Apparatus for Using Noise Data to Enhance Bar Code Scanning Accuracy
App 20080121716 - Fabian; Kenneth Joseph ; et al. | 2008-05-29 |
Electronic shelf label
Grant 7,286,798 - Dalton , et al. October 23, 2 | 2007-10-23 |
Optical scanner having micro-electro-mechanical systems mirror array and associated method
Grant 7,264,167 - Herwig , et al. September 4, 2 | 2007-09-04 |
Optical scanner
App 20060113393 - Herwig; Nathaniel Christopher ; et al. | 2006-06-01 |
Electronic price label battery storage apparatus and replacement method
App 20020114992 - Kwan, Sik Piu ; et al. | 2002-08-22 |
Ribbon separating mechanism for thermal printer
Grant 4,806,948 - Bangs , et al. February 21, 1 | 1989-02-21 |
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