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Masanari Fujita

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Patents Grantslast 30 patents

  • Information Patent Grant

    Image forming apparatus
    • Patent number 7,962,055
    • Issue date Jun 14, 2011
    • Ricoh Company, Ltd.
    • Yasuo Takuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Multicolor image forming apparatus
    • Patent number 7,796,905
    • Issue date Sep 14, 2010
    • Ricoh Company, Ltd.
    • Haruyuki Honda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image-forming device comprising a contact charging unit
    • Patent number 7,493,063
    • Issue date Feb 17, 2009
    • Ricoh Company, Ltd.
    • Yasuo Takuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus including static pre-eliminator
    • Patent number 7,463,849
    • Issue date Dec 9, 2008
    • Ricoh Printing Systems, Ltd.
    • Yasuo Takuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus
    • Patent number 7,142,794
    • Issue date Nov 28, 2006
    • Ricoh Printing Systems, Ltd.
    • Masanari Fujita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Image forming apparatus
    • Publication number 20070286633
    • Publication date Dec 13, 2007
    • RICOH PRINTING SYSTEMS, LTD.
    • Yasuo Takuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Multicolor image forming apparatus
    • Publication number 20070031167
    • Publication date Feb 8, 2007
    • Ricoh Printing Systems, Ltd.
    • Haruyuki Honda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image-Forming Device
    • Publication number 20070025772
    • Publication date Feb 1, 2007
    • Yasuo Takuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20060165438
    • Publication date Jul 27, 2006
    • Ricoh Printing Systems, Ltd.
    • Yasuo Takuma
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Image forming apparatus
    • Publication number 20050169661
    • Publication date Aug 4, 2005
    • Masanari Fujita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY