TREA

Daijirou Sirakura

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Conductive roller and manufacturing method thereof
    • Patent number 9,535,354
    • Issue date Jan 3, 2017
    • Bridgestone Corporation
    • Hirotaka Tagawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Urethane resin composition and a conductive roller using same
    • Patent number 9,376,539
    • Issue date Jun 28, 2016
    • Bridgestone Corporation
    • Junichi Takano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electrifying roller
    • Patent number 8,711,543
    • Issue date Apr 29, 2014
    • Bridgestone Corporation
    • Junichi Takano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electrifying roller
    • Patent number 8,642,148
    • Issue date Feb 4, 2014
    • Bridgestone Corporation
    • Izumi Egashira
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    URETHANE RESIN COMPOSITION AND A CONDUCTIVE ROLLER USING SAME
    • Publication number 20140100097
    • Publication date Apr 10, 2014
    • BRIDGESTONE CORPORATION
    • Junichi Takano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CONDUCTIVE ROLLER AND MANUFACTURING METHOD THEREOF
    • Publication number 20120316045
    • Publication date Dec 13, 2012
    • BRIDGESTONE CORPORATION
    • Hirotaka Tagawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    ELECTRIFYING ROLLER
    • Publication number 20120129666
    • Publication date May 24, 2012
    • BRIDGESTONE CORPORATION
    • Izumi Egashira
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ELECTRIFYING ROLLER
    • Publication number 20110249372
    • Publication date Oct 13, 2011
    • BRIDGESTONE CORPORATION
    • Junichi Takano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR MANUFACTURING ELECTRIFYING ROLLER AND ELECTRIFYING ROLLE...
    • Publication number 20110206414
    • Publication date Aug 25, 2011
    • BRIDGESTONE CORPORATION
    • Hirotaka Tagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...