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Ryuji KUWANO

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  • Hiroshima-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seat suspension mechanism
    • Patent number 12,077,073
    • Issue date Sep 3, 2024
    • Delta Kogyo Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Seat suspension mechanism
    • Patent number 12,005,820
    • Issue date Jun 11, 2024
    • Delta Kogyo Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Suspension mechanism, multi-suspension mechanism and damper
    • Patent number 11,440,448
    • Issue date Sep 13, 2022
    • Delta Kogyo Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Damper
    • Patent number 10,968,974
    • Issue date Apr 6, 2021
    • Delta Tooling Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle seat
    • Patent number 10,766,389
    • Issue date Sep 8, 2020
    • Delta Kogyo Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Lumbar support structure and seat structure
    • Patent number 10,278,509
    • Issue date May 7, 2019
    • Delta Tooling Co., Ltd.
    • Etsunori Fujita
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Seat cushioning member support mechanism and seat structure
    • Patent number 10,130,183
    • Issue date Nov 20, 2018
    • Delta Tooling Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Seat slide device
    • Patent number 9,862,291
    • Issue date Jan 9, 2018
    • Delta Tooling Co., Ltd.
    • Katsuhiro Inoue
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle seat
    • Patent number 9,840,170
    • Issue date Dec 12, 2017
    • Delta Tooling Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Lifter mechanism and vehicle seat
    • Patent number 9,637,033
    • Issue date May 2, 2017
    • Delta Tooling Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Manufacturing method for seat frame structure
    • Patent number 9,522,448
    • Issue date Dec 20, 2016
    • Delta Tooling Co., Ltd.
    • Hitoshi Fujita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Vehicle seat
    • Patent number 9,376,044
    • Issue date Jun 28, 2016
    • Delta Tooling Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SEAT SUSPENSION MECHANISM
    • Publication number 20220396187
    • Publication date Dec 15, 2022
    • DELTA KOGYO CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEAT SUSPENSION MECHANISM
    • Publication number 20220371488
    • Publication date Nov 24, 2022
    • DELTA KOGYO CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LINK MECHANISM, VEHICLE UPPER STORAGE-RACK STRUCTURE AND SEAT SUSPE...
    • Publication number 20220234482
    • Publication date Jul 28, 2022
    • DELTA KOGYO CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DAMPAR AND SEAT SUSPENSION MECHANISM
    • Publication number 20220228637
    • Publication date Jul 21, 2022
    • DELTA KOGYO CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SUSPENSION MECHANISM, MULTI-SUSPENSION MECHANISM AND DAMPER
    • Publication number 20210309133
    • Publication date Oct 7, 2021
    • DELTA KOGYO CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DAMPER
    • Publication number 20200271181
    • Publication date Aug 27, 2020
    • DELTA TOOLING CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VEHICLE SEAT
    • Publication number 20200023760
    • Publication date Jan 23, 2020
    • DELTA KOGYO CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LUMBAR SUPPORT STRUCTURE AND SEAT STRUCTURE
    • Publication number 20170238713
    • Publication date Aug 24, 2017
    • DELTA TOOLING CO., LTD.
    • Etsunori FUJITA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    SEAT CUSHIONING MEMBER SUPPORT MECHANISM AND SEAT STRUCTURE
    • Publication number 20170086590
    • Publication date Mar 30, 2017
    • Delta Tooling Co., Ltd.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LIFTER MECHANISM AND VEHICLE SEAT
    • Publication number 20160176325
    • Publication date Jun 23, 2016
    • Delta Tooling Co., Ltd.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VEHICLE SEAT
    • Publication number 20150352986
    • Publication date Dec 10, 2015
    • DELTA TOOLING CO., LTD.
    • Etsunori FUJITA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VEHICLE SEAT
    • Publication number 20150203011
    • Publication date Jul 23, 2015
    • Delta Tooling Co., Ltd.
    • Etsunori Fujita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEAT SLIDE DEVICE
    • Publication number 20150191106
    • Publication date Jul 9, 2015
    • Delta Tooling Co., Ltd.
    • Katsuhiro Inoue
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MANUFACTURING METHOD FOR SEAT FRAME STRUCTURE
    • Publication number 20140317931
    • Publication date Oct 30, 2014
    • Delta Tooling Co., Ltd.
    • Hitoshi Fujita
    • B60 - VEHICLES IN GENERAL