Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Authentication and tracking by hidden codes

Authentication and tracking by hidden codes

US Patent 10628647 · Granted Apr 21, 2020

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fabrication of moiré on curved surfaces2024
Two-dimensional codes hidden as scattered line segments2024
Two-dimensional codes hidden as scattered line segments2024
Juxtaposed clustered dispersed dot halftoning2024
Juxtaposed clustered dispersed dot halftoning2024
Synthesis of moving and beating moiré shapes2022
Synthesis of curved surface moiré2021
Synthesis of superpostion shape images by light interacting with superposed laye2021
2D-3D sculpture paintings2020
Synthesis of superposition shape images by light interacting with layers of lens2019
Color changing effects with cross-halftone prints2018
Color changing effects with cross-halftone prints on metal2016