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Keiichiro Masui

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    STRIKER
    • Publication number 20240328217
    • Publication date Oct 3, 2024
    • Aoyama Seisakusho CO.,LTD.
    • Naoki HOSHINO
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    WATER STOP MOUNTING STRUCTURE OF BOLT TO PLATE-LIKE METAL MEMBER
    • Publication number 20240301908
    • Publication date Sep 12, 2024
    • Aoyama Seisakusho Co., Ltd.
    • Yuichiro SUZUKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DEVICE AND METHOD FOR FIXING NUT TO INNER SURFACE OF PIPE MEMBER
    • Publication number 20230173624
    • Publication date Jun 8, 2023
    • Aoyama Seisakusho Co., Ltd.
    • Dan KITAJIMA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PIERCING NUT AND METHOD FOR FIXING THE SAME TO INNER SURFACE OF MAT...
    • Publication number 20220145925
    • Publication date May 12, 2022
    • Aoyama Seisakusho Co., Ltd.
    • Shigeki MATSUNAMI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAULKING BOLT
    • Publication number 20200300287
    • Publication date Sep 24, 2020
    • Aoyama Seisakusho Co., Ltd.
    • Yukinori FUJIMOTO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR ATTACHING NUT AND COLLAR TO PLATE MATERIAL AND ATTACHMEN...
    • Publication number 20190226514
    • Publication date Jul 25, 2019
    • Aoyama Seisakusho Co., Ltd.
    • Yukinori FUJIMOTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...