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Takahiro Yamamoto

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  • Toyokawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill
    • Patent number 11,865,626
    • Issue date Jan 9, 2024
    • OSG Corporation
    • Takahiro Yamamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill
    • Patent number 11,370,039
    • Issue date Jun 28, 2022
    • OSG Corporation
    • Takahiro Yamamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill and manufacturing method for step drill
    • Patent number 11,103,933
    • Issue date Aug 31, 2021
    • OSG Corporation
    • Takahiro Yamamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Deep-hole drill having back-tapered web
    • Patent number 7,740,426
    • Issue date Jun 22, 2010
    • OSG Corporation
    • Takahiro Yamamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process of manufacturing a coated body
    • Patent number 7,033,643
    • Issue date Apr 25, 2006
    • OSG Corporation
    • Hiroaki Sugita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill having construction for reducing thrust load in drilling oper...
    • Patent number 6,923,602
    • Issue date Aug 2, 2005
    • OGO Corporation
    • Jiro Osawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents