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Yifan Wen

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Patents Grantslast 30 patents

  • Information Patent Grant

    Retaining member and cutting tool
    • Patent number 12,343,803
    • Issue date Jul 1, 2025
    • Sumitomo Electric Hardmetal Corp.
    • Yifan Wen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pressing tool for cutting tool
    • Patent number D1065274
    • Issue date Mar 4, 2025
    • Sumitomo Electric Hardmetal Corp.
    • Yifan Wen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cutting tool
    • Patent number D924950
    • Issue date Jul 13, 2021
    • Sumitomo Electric Hardmetal Corp.
    • Yifan Wen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cutting tool
    • Patent number D924951
    • Issue date Jul 13, 2021
    • Sumitomo Electric Hardmetal Corp.
    • Yifan Wen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cutting tool
    • Patent number D910095
    • Issue date Feb 9, 2021
    • Sumitomo Electric Hardmetal Corp.
    • Yifan Wen
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

  • Information Patent Application

    RETAINING MEMBER AND CUTTING TOOL
    • Publication number 20230158579
    • Publication date May 25, 2023
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Yifan WEN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR