Inventor · disambiguated record
Christopher J. Fjellstad
Also filed as: FJELLSTAD CHRISTOPHER · FJELLSTAD CHRISTOPHER J
22 granted patents·9 pending applications·33 citations·filing 2005–2025
92Inventor score
Files withZEBRA TECH CORP23SYMBOL TECHNOLOGIES INC3FJELLSTAD CHRISTOPHER2PANG ROBERT J1SYMBOL TECHNOLOGIES LLC1
Top patents by PatentIndex Score
31 records- 0194US10839181B1Method to synchronize a barcode decode with a video camera to improve accuracy of retail POS loss preventionZEBRA TECH CORP·Filed 2020·Granted Nov 17, 2020·9 cites·6 claims
- 0293US11188726B1Method of detecting a scan avoidance event when an item is passed through the field of view of the scannerZEBRA TECH CORP·Filed 2020·Granted Nov 30, 2021·5 cites·14 claims
- 0386US11182572B2System and method of selective auxiliary data captureZEBRA TECH CORP·Filed 2019·Granted Nov 23, 2021·3 cites·16 claims
- 0483US11562157B2System and method of selective auxiliary data captureZEBRA TECH CORP·Filed 2019·Granted Jan 24, 2023·2 cites·22 claims
- 0581US11619539B2Inadvertent subsequent scan prevention for symbology reader with weighing platterZEBRA TECH CORP·Filed 2020·Granted Apr 4, 2023·1 cites·24 claims
- 0679US12400092B2System and method of selective auxiliary data captureZEBRA TECH CORP·Filed 2023·Granted Aug 26, 2025·0 cites·11 claims
- 0776US12223385B2System and method of selective auxiliary data captureZEBRA TECH CORP·Filed 2023·Granted Feb 11, 2025·0 cites·16 claims
- 0875US11847521B2System and method of selective auxiliary data captureZEBRA TECH CORP·Filed 2023·Granted Dec 19, 2023·0 cites·22 claims
- 0973US10249160B2System and workstation for, and method of, deterring theft of a product associated with a target to be electro-optically readSYMBOL TECHNOLOGIES LLC·Filed 2016·Granted Apr 2, 2019·3 cites·16 claims
- 1070US8902353B2Imaging reader with independently controlled illumination rateFJELLSTAD CHRISTOPHER·Filed 2011·Granted Dec 2, 2014·4 cites·17 claims
- 1170US2025181858A1System and Method of Selective Auxiliary Data CaptureZEBRA TECH CORP·Filed 2025·Application pending·0 cites
- 1268US11775782B2System and method of selective auxiliary data captureZEBRA TECH CORP·Filed 2021·Granted Oct 3, 2023·0 cites·16 claims
- 1365US8028909B2Integrated image quality test for imaging systemSYMBOL TECHNOLOGIES INC·Filed 2008·Granted Oct 4, 2011·3 cites·21 claims
- 1464US10769399B2Method for improper product barcode detectionZEBRA TECH CORP·Filed 2018·Granted Sep 8, 2020·1 cites·17 claims
- 1555US11961062B2Methods and apparatuses to indicate off-platter weigh conditionsZEBRA TECH CORP·Filed 2021·Granted Apr 16, 2024·0 cites·27 claims
- 1654US2023186270A1Methods to Prevent Accidental Triggers for Off-Platter Detection SystemsZEBRA TECH CORP·Filed 2021·Application pending·0 cites
- 1753US11487956B2Systems and methods of detecting scan avoidance eventsZEBRA TECH CORP·Filed 2020·Granted Nov 1, 2022·0 cites·20 claims
- 1853US8783570B2Reader with optical character recognitionWANG XIAOMEI·Filed 2007·Granted Jul 22, 2014·2 cites·19 claims
- 1952US11861583B2Systems and methods of detecting scan avoidance eventsZEBRA TECH CORP·Filed 2020·Granted Jan 2, 2024·0 cites·12 claims
- 2052US11210488B2Method for optimizing improper product barcode detectionZEBRA TECH CORP·Filed 2019·Granted Dec 28, 2021·0 cites·15 claims
- 2151US12158794B2Wakeup systems for bioptic indicia readersZEBRA TECH CORP·Filed 2023·Granted Dec 3, 2024·0 cites·11 claims
- 2251US11328140B2Method for accurate object tracking with color camera in multi planar scannersZEBRA TECH CORP·Filed 2020·Granted May 10, 2022·0 cites·20 claims
- 2348US2021334480A1Systems and methods of detecting scan avoidance eventsZEBRA TECH CORP·Filed 2020·Application pending·0 cites
- 2444US2020192608A1Method for improving the accuracy of a convolution neural network training image data set for loss prevention applicationsZEBRA TECH CORP·Filed 2018·Application pending·0 cites
- 2544US2023063752A1Method for Human Characteristic and Object Characteristic Identification for Retail Loss Prevention at the Point of SaleZEBRA TECH CORP·Filed 2021·Application pending·0 cites
- 2643US2010213256A1Imaging reader for and method of processing a plurality of data on a target per single actuationFJELLSTAD CHRISTOPHER·Filed 2009·Application pending·0 cites
- 2743US2020202091A1System and method to enhance image input for object recognition systemZEBRA TECH CORP·Filed 2018·Application pending·0 cites
- 2843US2020193281A1Method for automating supervisory signal during training of a neural network using barcode scanZEBRA TECH CORP·Filed 2018·Application pending·0 cites
- 2942US2006239448A1In-field upgrade management of data capture systemsPANG ROBERT J·Filed 2005·Application pending·0 cites
- 3041US9489554B2Arrangement for and method of assessing efficiency of transactions involving products associated with electro-optically readable targetsSYMBOL TECHNOLOGIES INC·Filed 2015·Granted Nov 8, 2016·0 cites·19 claims
- 3137US8899481B2Apparatus for and method of automatically integrating an auxiliary reader in a point-of-transaction system having a workstation readerSYMBOL TECHNOLOGIES INC·Filed 2013·Granted Dec 2, 2014·0 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Christopher J. Fjellstad files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →