TREA

Tatsuya ISHIKAWA

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  • Osaka-shi Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Building structure
    • Patent number 12,359,499
    • Issue date Jul 15, 2025
    • Sekisui House, Ltd.
    • Dai Hashimoto
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    DIAGONAL BEAM JOINING HARDWARE AND BEAM CONNECTING STRUCTURE
    • Publication number 20230257988
    • Publication date Aug 17, 2023
    • SEKISUI HOUSE, LTD.
    • Ryosuke SATO
    • E04 - BUILDING
  • Information Patent Application

    BUILDING STRUCTURE
    • Publication number 20230235622
    • Publication date Jul 27, 2023
    • SEKISUI HOUSE, LTD.
    • Dai HASHIMOTO
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS