TREA

Katsuaki Hayashi

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chair having a movable seat
    • Patent number 12,108,882
    • Issue date Oct 8, 2024
    • Kokuyo Co., Ltd.
    • Katsuaki Hayashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number 11,533,998
    • Issue date Dec 27, 2022
    • Kokuyo Co., Ltd.
    • Yojiro Kinoshita
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair and seat support mechanism
    • Patent number 10,918,211
    • Issue date Feb 16, 2021
    • Kokuyo Co., Ltd.
    • Takao Sugano
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair and seat support mechanism
    • Patent number 10,820,704
    • Issue date Nov 3, 2020
    • Kokuyo Co., Ltd.
    • Takao Sugano
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number 10,806,260
    • Issue date Oct 20, 2020
    • Kokuyo Co., Ltd.
    • Takao Sugano
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CHAIR
    • Publication number 20230109498
    • Publication date Apr 6, 2023
    • Kokuyo Co., Ltd.
    • Katsuaki Hayashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20230108179
    • Publication date Apr 6, 2023
    • Kokuyo Co., Ltd.
    • Katsuaki Hayashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20220031073
    • Publication date Feb 3, 2022
    • KOKUYO CO., LTD.
    • Yojiro Kinoshita
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR AND SEAT SUPPORT MECHANISM
    • Publication number 20200315352
    • Publication date Oct 8, 2020
    • KOKUYO CO., LTD.
    • Takao Sugano
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20190343286
    • Publication date Nov 14, 2019
    • KOKUYO CO., LTD.
    • Takao Sugano
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR AND SEAT SUPPORT MECHANISM
    • Publication number 20190208910
    • Publication date Jul 11, 2019
    • KOKUYO CO., LTD.
    • Takao Sugano
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20120161483
    • Publication date Jun 28, 2012
    • Kokuyo Co., Ltd.
    • Katsuaki Hayashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CHAIR
    • Publication number 20120161482
    • Publication date Jun 28, 2012
    • Kokuyo Co., Ltd.
    • Katsuaki Hayashi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...