Inventor
STACH JOHN F
US16 patents
Patents
16 patentsUS11068679B2Jul 20, 2021
Methods and arrangements for identifying objects
DIGIMARC CORP19 citations94
US9710871B2Jul 18, 2017
Geometric enumerated watermark embedding for spot colors
DIGIMARC CORP26 citations94
US11410261B2Aug 9, 2022
Differential modulation for robust signaling and synchronization
DIGIMARC CORP5 citations83
US10872392B2Dec 22, 2020
Generating artistic designs encoded with robust, machine-readable data
DIGIMARC CORP7 citations82
US10896307B2Jan 19, 2021
Generating and reading optical codes with variable density to adapt for visual quality and reliability
DIGIMARC CORP7 citations81
US10311538B2Jun 4, 2019
Closed form non-iterative watermark embedding
DIGIMARC CORP1 citations73
US10127623B2Nov 13, 2018
Geometric enumerated watermark embedding for colors and inks
DIGIMARC CORP2 citations73
US11288472B2Mar 29, 2022
Cart-based shopping arrangements employing probabilistic item identification
DIGIMARC CORP2 citations72
US11281876B2Mar 22, 2022
Retail store with sensor-fusion enhancements
DIGIMARC CORP4 citations72
US10776894B2Sep 15, 2020
Differential modulation for robust signaling and synchronization
DIGIMARC CORP2 citations72
US12322004B2Jun 3, 2025
Embedding signals in a raster image processor
DIGIMARC CORP0 citations62
US11651469B2May 16, 2023
Generating artistic designs encoded with robust, machine-readable data
DIGIMARC CORP0 citations62
US11625551B2Apr 11, 2023
Methods and arrangements for identifying objects
DIGIMARC CORP1 citations62
US11455702B2Sep 27, 2022
Weights embedded to minimize visibility change
DIGIMARC CORP0 citations62
US11238556B2Feb 1, 2022
Embedding signals in a raster image processor
DIGIMARC CORP0 citations62
US10643295B2May 5, 2020
Geometric enumerated watermark embedding for colors and inks
DIGIMARC CORP0 citations52