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Patents Grantslast 30 patents

  • Information Patent Grant

    Image marking method and apparatus
    • Patent number 8,449,122
    • Issue date May 28, 2013
    • IGRS Engineering Lab Ltd.
    • Jia Luo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE MARKING METHOD AND APPARATUS
    • Publication number 20110012925
    • Publication date Jan 20, 2011
    • IGRS ENGINEERING LAB. LTD.
    • JIA LUO
    • G06 - COMPUTING CALCULATING COUNTING