TREA

Masahiro Koyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chain
    • Patent number 11,988,267
    • Issue date May 21, 2024
    • Tsubakimoto Chain Co.
    • Tatsuya Hidaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chain drive system
    • Patent number 11,543,004
    • Issue date Jan 3, 2023
    • Tsubakimoto Chain Co.
    • Masahiro Koyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Link plate
    • Patent number 11,486,467
    • Issue date Nov 1, 2022
    • Tsubakimoto Chain Co.
    • Masahiro Koyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    LINK PLATE AND CHAIN
    • Publication number 20240295254
    • Publication date Sep 5, 2024
    • Tsubakimoto Chain Co.
    • Daisuke Nakao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN
    • Publication number 20230117839
    • Publication date Apr 20, 2023
    • Tsubakimoto Chain Co.
    • Tatsuya Hidaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN DRIVE SYSTEM
    • Publication number 20210079983
    • Publication date Mar 18, 2021
    • Tsubakimoto Chain Co.
    • Masahiro Koyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    LINK PLATE
    • Publication number 20200386297
    • Publication date Dec 10, 2020
    • Tsubakimoto Chain Co.
    • Masahiro Koyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...