Paper sheet processing device

Method for verifying documents and device implementing such a method

Resonant gaming chip identification system and method

Methods and apparatuses for creating authenticatable printed articles and subsequently verifying them

Reader device, data processing apparatus mounted with the same and genuine/counterfeit judgment method

Diode, use thereof, and a method for producing the same

Intelligent document with stored text and image

Paper sheet processing device

Authentication verifying method, authentication verifying member and authentication verifying member producing method

RF powder particle, RF powder, and RF powder-containing base

Security elements for antennas

Radio frequency identification tagging

Creating authenticatable printed articles and subsequently verifying them based on scattered light caused by surface structure