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Takekazu Yamamoto

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  • Yamanashi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Boring machine with casing driver
    • Patent number D983232
    • Issue date Apr 11, 2023
    • YAMAMOTO FOUNDATION WORKS CO., LTD.
    • Takekazu Yamamoto
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Boring machine with casing driver
    • Patent number D949928
    • Issue date Apr 26, 2022
    • YAMAMOTO FOUNDATION WORKS CO., LTD.
    • Takekazu Yamamoto
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Boring machine with casing driver
    • Patent number D949929
    • Issue date Apr 26, 2022
    • YAMAMOTO FOUNDATION WORKS CO., LTD.
    • Takekazu Yamamoto
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Boring machine with casing driver
    • Patent number D927558
    • Issue date Aug 10, 2021
    • YAMAMOTO FOUNDATION WORKS CO., LTD.
    • Takekazu Yamamoto
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents