Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Secured document, system for manufacturing same and system for reading this document

Secured document, system for manufacturing same and system for reading this document

US Patent 6980336 · Granted Dec 27, 2005

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photovoltaic module comprising a concentration optic with subwavelength patterns2021
Wide spectral band subwavelength diffractive component2019
Unidirectional loudspeaker enclosure2018
Configurable microwave deflection system2017
Universal traffic light luminaire2017
Optronic window transparent to IR and reflecting RF2015
Antenna lens comprising a dielectric component diffractive suitable shaping a wa2015
Method for detecting a fake finger for fingerprint acquisition software2014
Optimized process for fabricating light-emitting devices using artificial materi2014
Method for enhancing document security and device for implementing said method2013
Single-polarizer reflective bistable twisted nematic (BTN) liquid crystal displa2011
Assembly for rotary press2011