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Shingo Kuboki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Powder container
    • Patent number 11,803,134
    • Issue date Oct 31, 2023
    • Ricoh Company, Ltd.
    • Kenji Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Powder container
    • Patent number 11,372,347
    • Issue date Jun 28, 2022
    • Ricoh Company, Ltd.
    • Kenji Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developer supply device and image forming apparatus incorporating same
    • Patent number 10,935,906
    • Issue date Mar 2, 2021
    • Ricoh Company, Ltd.
    • Masashi Ohnishi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Powder container
    • Patent number 10,935,905
    • Issue date Mar 2, 2021
    • Ricoh Company, Ltd.
    • Kenji Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Powder container
    • Patent number 10,809,648
    • Issue date Oct 20, 2020
    • Ricoh Company, Ltd.
    • Kenji Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Powder container
    • Patent number 10,534,290
    • Issue date Jan 14, 2020
    • Ricoh Company, Ltd.
    • Kenji Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Powder container and image forming apparatus
    • Patent number 9,910,383
    • Issue date Mar 6, 2018
    • Ricoh Company, Limited
    • Shingo Kuboki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner container
    • Patent number D795339
    • Issue date Aug 22, 2017
    • Ricoh Company, Ltd.
    • Shingo Kuboki
    • D18 - Printing and office machinery
  • Information Patent Grant

    Developing device, process cartridge, and image forming apparatus i...
    • Patent number 9,690,233
    • Issue date Jun 27, 2017
    • Ricoh Company, Ltd.
    • Daisuke Hamada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing device, and image forming apparatus and process cartridg...
    • Patent number 9,690,254
    • Issue date Jun 27, 2017
    • Ricoh Company, Ltd.
    • Jun Shiori
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner container
    • Patent number D785701
    • Issue date May 2, 2017
    • Ricoh Company, Ltd.
    • Shingo Kuboki
    • D18 - Printing and office machinery
  • Information Patent Grant

    Powder container
    • Patent number 9,513,576
    • Issue date Dec 6, 2016
    • Ricoh Company, Ltd.
    • Kenji Kikuchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Paper conveyance device, fixing device, and image forming apparatus
    • Patent number 9,400,482
    • Issue date Jul 26, 2016
    • Ricoh Company, Ltd.
    • Shohei Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process cartridge and image forming apparatus
    • Patent number 9,268,298
    • Issue date Feb 23, 2016
    • Ricoh Company, Limited
    • Daisuke Hamada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents