TREA

Yuko Hayama

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Curl straightening method and image forming apparatus
    • Patent number 9,188,929
    • Issue date Nov 17, 2015
    • Ricoh Company, Ltd.
    • Shunichi Oohara
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Image forming apparatus and curl correcting method
    • Patent number 9,031,492
    • Issue date May 12, 2015
    • Ricoh Company, Limited
    • Shunichi Oohara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 7,490,827
    • Issue date Feb 17, 2009
    • Ricoh Company, Ltd.
    • Katsuhiko Miki
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Transfer separator
    • Patent number 5,822,667
    • Issue date Oct 13, 1998
    • Ricoh Company, Ltd.
    • Yuko Hayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image transferring device for an image forming apparatus
    • Patent number 5,812,919
    • Issue date Sep 22, 1998
    • Ricoh Company, Ltd.
    • Satoshi Takano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents