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Kei Tajima

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVELOPING ROLLER
    • Publication number 20180081297
    • Publication date Mar 22, 2018
    • Sumitomo Rubber Industries, Ltd.
    • Kei TAJIMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, AND DEVELOPING ROLLER
    • Publication number 20170168415
    • Publication date Jun 15, 2017
    • Sumitomo Rubber Industries, Ltd.
    • Kenichi KURODA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, AND DEVELOPING ROLLER
    • Publication number 20170168416
    • Publication date Jun 15, 2017
    • Sumitomo Rubber Industries, Ltd.
    • Kenichi KURODA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SEMICONDUCTIVE ROLLER
    • Publication number 20170102635
    • Publication date Apr 13, 2017
    • Sumitomo Rubber Industries, Ltd.
    • Kenichi KURODA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SEMICONDUCTIVE ROLLER
    • Publication number 20160313663
    • Publication date Oct 27, 2016
    • Sumitomo Rubber Industries, Ltd.
    • Kei TAJIMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SEMICONDUCTIVE ROLLER
    • Publication number 20160077462
    • Publication date Mar 17, 2016
    • Sumitomo Rubber Industries, Ltd.
    • Takashi MARUI
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SEMICONDUCTIVE ROLLER
    • Publication number 20150362854
    • Publication date Dec 17, 2015
    • Sumitomo Rubber Industries, Ltd.
    • Kei TAJIMA
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Application

    SEMICONDUCTIVE ROLLER AND PRODUCTION METHOD THEREFOR
    • Publication number 20150316869
    • Publication date Nov 5, 2015
    • Sumitomo Rubber Industries, Ltd.
    • Kei TAJIMA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    SEMICONDUCTIVE ROLLER, CHARGING ROLLER AND ELECTROPHOTOGRAPHIC APPA...
    • Publication number 20150030868
    • Publication date Jan 29, 2015
    • SUMITOMO RUBBER INDUSTRIES, LTD.,
    • Kei TAJIMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SEMICONDUCTIVE ROLLER
    • Publication number 20140342892
    • Publication date Nov 20, 2014
    • Sumitomo Rubber Industries, Ltd.
    • KEI TAJIMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, DEVELOPING ROLLER, AND...
    • Publication number 20140103262
    • Publication date Apr 17, 2014
    • Takashi Marui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRICALLY CONDUCTIVE ROLLER
    • Publication number 20130288869
    • Publication date Oct 31, 2013
    • Sumitomo Rubber Industries, Ltd.
    • Kei TAJIMA
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SEMICONDUCTIVE ROLLER, CHARGING ROLLER AND ELECTROPHOTOGRAPHIC APPA...
    • Publication number 20110281703
    • Publication date Nov 17, 2011
    • Kei Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SURFACE-TREATING LIQUID FOR CONDUCTIVE ELASTIC LAYER, METHOD OF SUR...
    • Publication number 20100261002
    • Publication date Oct 14, 2010
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Kei Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SEMICONDUCTIVE RUBBER COMPOSITION AND SEMICONDUCTIVE RUBBER ROLLER...
    • Publication number 20100200814
    • Publication date Aug 12, 2010
    • Takashi MARUI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Conductive roller
    • Publication number 20080071028
    • Publication date Mar 20, 2008
    • Sumitomo Rubber Industries, Ltd.
    • Akira Minagoshi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Conductive thermoplastic elastomer composition, method of producing...
    • Publication number 20080042108
    • Publication date Feb 21, 2008
    • Sumitomo Rubber Industries, Ltd.
    • Kei Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Fender
    • Publication number 20010007236
    • Publication date Jul 12, 2001
    • Kei Tajima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING