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Ryuji Ohta

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Yellow toner
    • Patent number 10,571,819
    • Issue date Feb 25, 2020
    • Zeon Corporation
    • Ryuji Ohta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner for developing electrostatic images
    • Patent number 10,503,089
    • Issue date Dec 10, 2019
    • Zeon Corporation
    • Azusa Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 10,372,054
    • Issue date Aug 6, 2019
    • Zeon Corporation
    • Ryuji Ohta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,904,192
    • Issue date Feb 27, 2018
    • Zeon Corporation
    • Ryuji Ohta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner for developing electrostatic images
    • Patent number 9,557,668
    • Issue date Jan 31, 2017
    • Zeon Corporation
    • Azusa Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    YELLOW TONER
    • Publication number 20180246433
    • Publication date Aug 30, 2018
    • Zeon Corporation
    • Ryuji Ohta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20180136574
    • Publication date May 17, 2018
    • Zeon Corporation
    • Ryuji Ohta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    YELLOW TONER
    • Publication number 20170168408
    • Publication date Jun 15, 2017
    • Zeon Corporation
    • Ryuji Ohta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20160246196
    • Publication date Aug 25, 2016
    • Zeon Corporation
    • Ryuji Ohta
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER FOR DEVELOPING ELECTROSTATIC IMAGES
    • Publication number 20160048090
    • Publication date Feb 18, 2016
    • Zeon Corporation
    • Azusa Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER FOR DEVELOPING ELECTROSTATIC IMAGES
    • Publication number 20160004176
    • Publication date Jan 7, 2016
    • Zeon Corporation
    • Azusa Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY