TREA

Katsumi Kumagai

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Document processing method
    • Patent number 7,209,256
    • Issue date Apr 24, 2007
    • Ricoh Printing Systems, Ltd.
    • Seiji Kageyama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Print system
    • Patent number 7,092,117
    • Issue date Aug 15, 2006
    • Ricoh Printing Systems, Ltd.
    • Seiji Kageyama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Print system and print system control method
    • Patent number 6,950,203
    • Issue date Sep 27, 2005
    • Tatsuro Akabane
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Document printing method
    • Patent number 6,567,180
    • Issue date May 20, 2003
    • Hitachi Koki Co., Ltd.
    • Seiji Kageyama
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Document processing method
    • Publication number 20040017583
    • Publication date Jan 29, 2004
    • HITACHI KOKI CO., LTD.
    • Seiji Kageyama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Print system
    • Publication number 20020054351
    • Publication date May 9, 2002
    • Seiji Kageyama
    • G06 - COMPUTING CALCULATING COUNTING