TREA

Hisatoshi SAITO

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • 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

    Image formation unit and image formation apparatus
    • Patent number 11,500,303
    • Issue date Nov 15, 2022
    • Oki Electric Industry Co., Ltd.
    • Akira Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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 formation unit and image formation apparatus having image car...
    • Patent number 11,435,692
    • Issue date Sep 6, 2022
    • Oki Electric Industry Co., Ltd.
    • Hisatoshi Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming unit attachable to image forming apparatus and protec...
    • Patent number 10,962,904
    • Issue date Mar 30, 2021
    • Oki Data Corporation
    • Hisatoshi Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developer container, image formation unit, and image formation appa...
    • Patent number 10,606,208
    • Issue date Mar 31, 2020
    • Oki Data Corporation
    • Hisatoshi Saito
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image drum cartridge
    • Patent number D874563
    • Issue date Feb 4, 2020
    • Oki Data Corporation
    • Masayuki Suzuki
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner cartridge
    • Patent number D874564
    • Issue date Feb 4, 2020
    • Oki Data Corporation
    • Hisatoshi Saito
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner cartridge
    • Patent number D874565
    • Issue date Feb 4, 2020
    • Oki Data Corporation
    • Hisatoshi Saito
    • D18 - Printing and office machinery
  • Information Patent Grant

    Toner cartridge
    • Patent number D863418
    • Issue date Oct 15, 2019
    • Oki Data Corporation
    • Hisatoshi Saito
    • D18 - Printing and office machinery
  • Information Patent Grant

    Developer container, image forming unit, and image forming apparatus
    • Patent number 9,588,463
    • Issue date Mar 7, 2017
    • Oki Data Corporation
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents