Yoshiyuki Nakai

Image processing device and image forming device

Method of adding specific image information and image forming apparatus

Managing device, print processing system, managing device control method, managing device control computer program and storage medium containing managing device control computer program

Image reading apparatus and image determining method

Image processing apparatus, pattern detecting method, program, and recording medium

Data memory device and encryption device

Management information adding method and image forming apparatus

Image detecting method

Image reading apparatus for determining whether a document contains a distinguishing pattern

Image forming apparatus, information processor and image forming method