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Akinori KOYAMA

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner and image forming apparatus
    • Patent number 10,451,988
    • Issue date Oct 22, 2019
    • Kyocera Document Solutions Inc.
    • Akinori Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic latent image developing toner
    • Patent number 10,379,454
    • Issue date Aug 13, 2019
    • Kyocera Document Solutions Inc.
    • Akinori Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 9,690,219
    • Issue date Jun 27, 2017
    • Kyocera Document Solutions Inc.
    • Akinori Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic one-component developing toner
    • Patent number 9,235,150
    • Issue date Jan 12, 2016
    • Kyocera Document Solutions Inc.
    • Akinori Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developer, method for forming image, and method for producing devel...
    • Patent number 9,201,330
    • Issue date Dec 1, 2015
    • Kyocera Document Solutions Inc.
    • Akinori Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner for single component developer
    • Patent number 8,541,152
    • Issue date Sep 24, 2013
    • Kyocera Document Solutions Inc.
    • Akinori Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents