Inventor · disambiguated record
Sainarayanan Gopalakrishnan
Also filed as: GOPALAKRISHNAN SAINARAYANAN
63 granted patents·7 pending applications·109 citations·filing 2013–2023
98Inventor score
Top patents by PatentIndex Score
70 records- 0193US9973654B1Methods and devices for enhancing edges of a graphic objectXEROX CORP·Filed 2017·Granted May 15, 2018·11 cites·33 claims
- 0291US10956107B1Methods and systems for keyword-based printingXEROX CORP·Filed 2020·Granted Mar 23, 2021·3 cites·22 claims
- 0390US9167129B1Method and apparatus for segmenting image into halftone and non-halftone regionsXEROX CORP·Filed 2014·Granted Oct 20, 2015·11 cites·26 claims
- 0487US11758068B2Methods and systems for adding one or more bookmarks while scanning a documentXEROX CORP·Filed 2021·Granted Sep 12, 2023·3 cites·10 claims
- 0587US10116826B1Method and apparatus for automatically resuming a print job from portable memory deviceXEROX CORP·Filed 2017·Granted Oct 30, 2018·10 cites·20 claims
- 0685US9628635B1Systems and methods for halftone frequency detectionXEROX CORP·Filed 2016·Granted Apr 18, 2017·5 cites·18 claims
- 0784US9563961B1Method and system for image processingXEROX CORP·Filed 2016·Granted Feb 7, 2017·6 cites·17 claims
- 0883US9712698B1Customized color for multiple raster content format fileXEROX CORP·Filed 2016·Granted Jul 18, 2017·6 cites·12 claims
- 0981US11765288B1Methods and systems for automatically managing output size of a document submitted for scanningXEROX CORP·Filed 2022·Granted Sep 19, 2023·1 cites·20 claims
- 1081US10142520B1Single color background mixed raster content (MRC)XEROX CORP·Filed 2017·Granted Nov 27, 2018·3 cites·24 claims
- 1181US10079960B1System and method for halftoning in a print systemXEROX CORP·Filed 2017·Granted Sep 18, 2018·3 cites·20 claims
- 1281US9147262B1Methods and systems for image processingXEROX CORP·Filed 2014·Granted Sep 29, 2015·6 cites·18 claims
- 1380US10049097B1Systems and methods for creating multi-layered optical character recognition (OCR) documentsXEROX CORP·Filed 2017·Granted Aug 14, 2018·4 cites·21 claims
- 1480US9596380B1Methods and systems for image compressionXEROX CORP·Filed 2015·Granted Mar 14, 2017·3 cites·15 claims
- 1579US11509791B1Methods and systems for automatically identifying IR security marks in a document based on halftone frequency informationXEROX CORP·Filed 2021·Granted Nov 22, 2022·1 cites·21 claims
- 1679US9712697B1Detecting sizes of documents scanned using handheld devicesXEROX CORP·Filed 2016·Granted Jul 18, 2017·3 cites·20 claims
- 1777US9681013B2Methods and systems facilitating generation of digital representations of objectsXEROX CORP·Filed 2015·Granted Jun 13, 2017·3 cites·38 claims
- 1876US11868873B2Convolution operator system to perform concurrent convolution operationsHCL TECHNOLOGIES LTD·Filed 2020·Granted Jan 9, 2024·1 cites·13 claims
- 1976US9641724B1Method and system for compressing and converting an image during printingXEROX CORP·Filed 2016·Granted May 2, 2017·2 cites·29 claims
- 2075US9736333B1Filter configuration for software based image pathXEROX CORP·Filed 2016·Granted Aug 15, 2017·2 cites·18 claims
- 2174US10614148B2Reconfigurable convolution acceleratorHCL TECHNOLOGIES LTD·Filed 2018·Granted Apr 7, 2020·2 cites·9 claims
- 2274US9681023B1Image processing method and system for classification of halftone frequenciesXEROX CORP·Filed 2016·Granted Jun 13, 2017·2 cites·19 claims
- 2371US12149663B1Methods and systems for detecting one or more security patterns in documentsXEROX CORP·Filed 2023·Granted Nov 19, 2024·0 cites·23 claims
- 2471US10419640B1Text enhancement in printing material saving modeXEROX CORP·Filed 2018·Granted Sep 17, 2019·1 cites·20 claims
- 2571US10033901B1System and method for using a mobile camera as a copierXEROX CORP·Filed 2017·Granted Jul 24, 2018·2 cites·20 claims
- 2669US9607360B2Modifying the size of document content based on a pre-determined threshold valueXEROX CORP·Filed 2014·Granted Mar 28, 2017·2 cites·23 claims
- 2768US10341671B2Method and system for image compressionXEROX CORP·Filed 2017·Granted Jul 2, 2019·1 cites·19 claims
- 2868US9876937B1Saving marking material using threshold arrays and toner reduction maskXEROX CORP·Filed 2017·Granted Jan 23, 2018·1 cites·20 claims
- 2967US9124841B2Connected component analysis with multi-thresholding to segment halftonesXEROX CORP·Filed 2013·Granted Sep 1, 2015·1 cites·20 claims
- 3067US9055251B2Image processing based on automatic image-type detectionXEROX CORP·Filed 2013·Granted Jun 9, 2015·2 cites·23 claims
- 3166US10976973B2Apparatus and method for sharing a printable electronic document between usersXEROX CORP·Filed 2019·Granted Apr 13, 2021·2 cites·20 claims
- 3266US10460192B2Method and system for optical character recognition (OCR) of multi-language contentXEROX CORP·Filed 2016·Granted Oct 29, 2019·1 cites·18 claims
- 3365US11954931B1Methods and systems for detecting tampering of an IR security markXEROX CORP·Filed 2022·Granted Apr 9, 2024·0 cites·20 claims
- 3465US11941937B2Methods and systems for automatically identifying IR security marks based on known halftone frequency and color informationXEROX CORP·Filed 2021·Granted Mar 26, 2024·0 cites·11 claims
- 3565US9087287B2Individualizing reduction of original pages in N-up copying or printingXEROX CORP·Filed 2013·Granted Jul 21, 2015·1 cites·20 claims
- 3664US11315344B2Reconfigurable 3D convolution engineHCL TECHNOLOGIES LTD·Filed 2019·Granted Apr 26, 2022·1 cites·9 claims
- 3764US10043116B1Scheme for text only MRC compressionXEROX CORP·Filed 2017·Granted Aug 7, 2018·1 cites·22 claims
- 3859US11231893B2System and method for printing and reusing customized sample sets while printing documentsXEROX CORP·Filed 2020·Granted Jan 25, 2022·0 cites·20 claims
- 3958US9521296B2Inverse halftoning using inverse projection of predicted errors for multi-bit imagesXEROX CORP·Filed 2014·Granted Dec 13, 2016·0 cites·8 claims
- 4057US10754599B1System and method for printing and reusing customized sample sets while printing documentsXEROX CORP·Filed 2019·Granted Aug 25, 2020·0 cites·18 claims
- 4156US9288364B1Methods and systems for estimating half-tone frequency of an imageXEROX CORP·Filed 2015·Granted Mar 15, 2016·1 cites·20 claims
- 4256US2024087291A1Method and system for feature extraction using reconfigurable convolutional cluster engine in image sensor pipelineHCL TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 4355US9245318B2Methods and systems for automated orientation detection and correctionPALANIVEL DHEVENDRA ALAGAN·Filed 2014·Granted Jan 26, 2016·1 cites·42 claims
- 4455US9215345B2Method and system for inverse halftoning utilizing inverse projection of predicted errorsXEROX CORP·Filed 2013·Granted Dec 15, 2015·0 cites·12 claims
- 4553US10915273B2Apparatus and method for identifying and printing a replacement version of a documentXEROX CORP·Filed 2019·Granted Feb 9, 2021·0 cites·15 claims
- 4653US2024161444A1Method and system for image binarization of degraded document imagesHCL TECHNOLOGIES LTD·Filed 2023·Application pending·0 cites
- 4752US11652950B1Methods and systems for handling drifting of colors in printing scenariosXEROX CORP·Filed 2022·Granted May 16, 2023·0 cites·20 claims
- 4852US11087126B2Method to improve performance in document processingXEROX CORP·Filed 2019·Granted Aug 10, 2021·0 cites·20 claims
- 4951US11899743B2Reconfigurable parallel 3-dimensional convolution cluster engineHCL TECHNOLOGIES LTD·Filed 2020·Granted Feb 13, 2024·0 cites·9 claims
- 5051US10602019B2Methods and systems for enhancing image quality for documents with highlighted contentXEROX CORP·Filed 2018·Granted Mar 24, 2020·0 cites·20 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Sainarayanan Gopalakrishnan 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 →