TREA

Shingo SHIMADA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Developer supply device, development device, and image formation ap...
    • Patent number 11,921,440
    • Issue date Mar 5, 2024
    • Oki Electric Industry Co., Ltd.
    • Shingo Shimada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner cartridge
    • Patent number D1009988
    • Issue date Jan 2, 2024
    • Oki Electric Industry Co., Ltd.
    • Tetsu Koyama
    • D18 - Printing and office machinery
  • Information Patent Grant

    Image drum cartridge
    • Patent number D998033
    • Issue date Sep 5, 2023
    • Oki Electric Industry Co., Ltd.
    • Tetsu Koyama
    • D18 - Printing and office machinery
  • Information Patent Grant

    Image drum cartridge
    • Patent number D984529
    • Issue date Apr 25, 2023
    • Oki Electric Industry Co., Ltd.
    • Tetsu Koyama
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner cartridge
    • Patent number D967891
    • Issue date Oct 25, 2022
    • Oki Electric Industry Co., Ltd.
    • Tetsu Koyama
    • D18 - Printing and office machinery
  • Information Patent Grant

    Image forming unit and image forming apparatus
    • Patent number 9,223,249
    • Issue date Dec 29, 2015
    • Oki Data Corporation
    • Shingo Shimada
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents