Inventor · disambiguated record
John Stach
Also filed as: STACH JOHN · STACH JOHN F
61 granted patents·10 pending applications·1,885 citations·filing 2001–2024
99Inventor score
Top patents by PatentIndex Score
71 records- 0199US9747656B2Differential modulation for robust signaling and synchronizationDIGIMARC CORP·Filed 2015·Granted Aug 29, 2017·106 cites·19 claims
- 0299US9449357B1Geometric enumerated watermark embedding for spot colorsDIGIMARC CORP·Filed 2013·Granted Sep 20, 2016·109 cites·5 claims
- 0399US7986807B2Signal embedding and detection using circular structures in a transform domain of a media signalDIGIMARC CORP·Filed 2008·Granted Jul 26, 2011·107 cites·24 claims
- 0499US7532741B2Data hiding in mediaDIGIMARC CORP·Filed 2008·Granted May 12, 2009·91 cites·20 claims
- 0599US7321667B2Data hiding through arrangement of objectsDIGIMARC CORP·Filed 2005·Granted Jan 22, 2008·105 cites·23 claims
- 0698US11410261B2Differential modulation for robust signaling and synchronizationDIGIMARC CORP·Filed 2020·Granted Aug 9, 2022·5 cites·12 claims
- 0798US10192087B2Methods and arrangements for identifying objectsDIGIMARC CORP·Filed 2016·Granted Jan 29, 2019·36 cites·20 claims
- 0898US7831062B2Arrangement of objects in images or graphics to convey a machine-readable signalDIGIMARC CORP·Filed 2009·Granted Nov 9, 2010·57 cites·39 claims
- 0997US11281876B2Retail store with sensor-fusion enhancementsDIGIMARC CORP·Filed 2021·Granted Mar 22, 2022·4 cites·26 claims
- 1097US11068679B2Methods and arrangements for identifying objectsDIGIMARC CORP·Filed 2017·Granted Jul 20, 2021·19 cites·15 claims
- 1197US9710871B2Geometric enumerated watermark embedding for spot colorsDIGIMARC CORP·Filed 2016·Granted Jul 18, 2017·26 cites·25 claims
- 1297US7340076B2Digital watermarks for unmanned vehicle navigationDIGIMARC CORP·Filed 2003·Granted Mar 4, 2008·153 cites·22 claims
- 1397US6580809B2Quantization-based data hiding employing calibration and locally adaptive quantizationDIGIMARC CORP·Filed 2002·Granted Jun 17, 2003·95 cites·17 claims
- 1496US7072490B2Symmetry watermarkDIGIMARC CORP·Filed 2002·Granted Jul 4, 2006·119 cites·20 claims
- 1595US9609117B2Methods and arrangements employing sensor-equipped smart phonesDIGIMARC CORP·Filed 2015·Granted Mar 28, 2017·11 cites·12 claims
- 1694US9396509B1Closed form non-iterative watermark embeddingDIGIMARC CORP·Filed 2012·Granted Jul 19, 2016·18 cites·10 claims
- 1794US9008315B2Shared secret arrangements and optical data transferDIGIMARC CORP·Filed 2013·Granted Apr 14, 2015·16 cites·10 claims
- 1894US8515121B2Arrangement of objects in images or graphics to convey a machine-readable signalSTACH JOHN·Filed 2010·Granted Aug 20, 2013·18 cites·12 claims
- 1994US8059815B2Transforming data files into logical storage units for auxiliary data through reversible watermarksLOFGREN NEIL E·Filed 2003·Granted Nov 15, 2011·90 cites·28 claims
- 2094US7068809B2Segmentation in digital watermarkingDIGIMARC CORP·Filed 2001·Granted Jun 27, 2006·86 cites·44 claims
- 2193US7769202B2Quantization-based data embedding in mapped dataDIGIMARC CORP·Filed 2008·Granted Aug 3, 2010·17 cites·35 claims
- 2293US7542587B2Content processing methods using reversible watermarkingDIGIMARC CORP·Filed 2007·Granted Jun 2, 2009·15 cites·9 claims
- 2393US7006662B2Reversible watermarking using expansion, rate control and iterative embeddingDIGIMARC CORP·Filed 2003·Granted Feb 28, 2006·58 cites·19 claims
- 2493US6993152B2Hiding geo-location data through arrangement of objectsDIGIMARC CORP·Filed 2002·Granted Jan 31, 2006·179 cites·18 claims
- 2592US7046819B2Encoded reference signal for digital watermarksDIGIMARC CORP·Filed 2002·Granted May 16, 2006·51 cites·15 claims
- 2691US11288472B2Cart-based shopping arrangements employing probabilistic item identificationDIGIMARC CORP·Filed 2021·Granted Mar 29, 2022·2 cites·42 claims
- 2791US10219736B2Methods and arrangements concerning dermatologyDIGIMARC CORP·Filed 2016·Granted Mar 5, 2019·9 cites·20 claims
- 2891US9008192B2Arrangements for increasing detection confidenceRHOADS GEOFFREY B·Filed 2011·Granted Apr 14, 2015·17 cites·22 claims
- 2991US7489801B2Encoding and decoding signals for digital watermarkingDIGIMARC CORP·Filed 2006·Granted Feb 10, 2009·16 cites·16 claims
- 3090US10872392B2Generating artistic designs encoded with robust, machine-readable dataDIGIMARC CORP·Filed 2018·Granted Dec 22, 2020·7 cites·22 claims
- 3190US9504420B2Methods and arrangements for identifying dermatological diagnoses with clinically negligible probabilitiesDIGIMARC CORP·Filed 2014·Granted Nov 29, 2016·22 cites·9 claims
- 3290US8050452B2Quantization-based data embedding in mapped dataDIGIMARC CORP·Filed 2010·Granted Nov 1, 2011·12 cites·31 claims
- 3390US7194106B2Creating electronic forms through digital watermarkingDIGIMARC CORP·Filed 2003·Granted Mar 20, 2007·34 cites·23 claims
- 3490US7187780B2Image processing methods using reversible watermarkingDIGIMARC CORP·Filed 2002·Granted Mar 6, 2007·35 cites·16 claims
- 3589US8068636B2Digital watermarking methods, programs and apparatusRODRIGUEZ TONY F·Filed 2009·Granted Nov 29, 2011·15 cites·15 claims
- 3688US10896307B2Generating and reading optical codes with variable density to adapt for visual quality and reliabilityDIGIMARC CORP·Filed 2018·Granted Jan 19, 2021·7 cites·22 claims
- 3788US9398210B2Methods and systems for dealing with perspective distortion in connection with smartphone camerasSTACH JOHN·Filed 2011·Granted Jul 19, 2016·9 cites·32 claims
- 3887US7599518B2Reversible watermarking using expansion, rate control and iterative embeddingDIGIMARC CORP·Filed 2006·Granted Oct 6, 2009·8 cites·22 claims
- 3986US8509472B2Digital watermarking methods, programs and apparatusRODRIGUEZ TONY F·Filed 2005·Granted Aug 13, 2013·14 cites·17 claims
- 4084US7376242B2Quantization-based data embedding in mapped dataDIGIMARC CORP·Filed 2003·Granted May 20, 2008·28 cites·38 claims
- 4183US11625551B2Methods and arrangements for identifying objectsDIGIMARC CORP·Filed 2020·Granted Apr 11, 2023·1 cites·11 claims
- 4283US7515730B2Progressive image quality control using watermarkingDIGIMARC CORP·Filed 2002·Granted Apr 7, 2009·19 cites·18 claims
- 4382US10776894B2Differential modulation for robust signaling and synchronizationDIGIMARC CORP·Filed 2019·Granted Sep 15, 2020·2 cites·20 claims
- 4482US7706570B2Encoding and decoding auxiliary signalsDIGIMARC CORP·Filed 2009·Granted Apr 27, 2010·7 cites·20 claims
- 4582US7454033B2Quantization-based data hiding employing calibration and locally adaptive quantizationDIGIMARC CORP·Filed 2002·Granted Nov 18, 2008·13 cites·15 claims
- 4681US8019116B2Content processing methods using reversible watermarkingDIGIMARC CORP·Filed 2009·Granted Sep 13, 2011·4 cites·12 claims
- 4780US10127623B2Geometric enumerated watermark embedding for colors and inksDIGIMARC CORP·Filed 2017·Granted Nov 13, 2018·2 cites·18 claims
- 4880US9847976B2Shared secret arrangements and optical data transferDIGIMARC CORP·Filed 2015·Granted Dec 19, 2017·3 cites·20 claims
- 4977US8170273B2Encoding and decoding auxiliary signalsSHARMA RAVI K·Filed 2010·Granted May 1, 2012·3 cites·47 claims
- 5076US12322004B2Embedding signals in a raster image processorDIGIMARC CORP·Filed 2022·Granted Jun 3, 2025·0 cites·8 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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