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Yoshinori Kawaai

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrophotographic printing apparatus and printing system
    • Patent number 7,477,869
    • Issue date Jan 13, 2009
    • Ricoh Company, Ltd.
    • Yoshinori Kawaai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming unit system
    • Patent number 6,139,012
    • Issue date Oct 31, 2000
    • Hitachi Koki Co., Ltd.
    • Nobuyuki Furuya
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents