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Masaaki Jindai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Reamer
    • Patent number 11,660,691
    • Issue date May 30, 2023
    • Sumitomo Electric Hardmetal Corp.
    • Masashi Yamada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool
    • Patent number 10,766,077
    • Issue date Sep 8, 2020
    • Sumitomo Electric Hardmetal Corp.
    • Yoshikatsu Mori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill
    • Patent number 10,646,934
    • Issue date May 12, 2020
    • Sumitomo Electric Hardmetal Corp.
    • Yuki Tsutsumi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill
    • Patent number 10,300,534
    • Issue date May 28, 2019
    • Sumitomo Electric Hardmetal Corp.
    • Yuma Kawakami
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill
    • Patent number 10,155,269
    • Issue date Dec 18, 2018
    • Sumitomo Electric Hardmetal Corp.
    • Masaaki Jindai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Small-diameter drill
    • Patent number 9,522,428
    • Issue date Dec 20, 2016
    • Sumitomo Electric Hardmetal Corp.
    • Masaaki Jindai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Indexable insert and drill using the same
    • Patent number 8,197,163
    • Issue date Jun 12, 2012
    • Sumitomo Electric Industries, Ltd.
    • Kazuchika Nasu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Throwaway inserts and throwaway drill
    • Patent number 5,954,459
    • Issue date Sep 21, 1999
    • Sumitomo Electric Industries, Ltd.
    • Kazuo Noguchi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill
    • Patent number 5,800,101
    • Issue date Sep 1, 1998
    • Sumitomo Electric Industries, Ltd.
    • Masaaki Jindai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit structure
    • Patent number 4,728,231
    • Issue date Mar 1, 1988
    • Sumitomo Electric Industries, Ltd.
    • Nagatoshi Kunimori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILL HEAD, TIP EXCHANGE DRILL, AND DRILL
    • Publication number 20240165717
    • Publication date May 23, 2024
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Koji TAKAHASHI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL
    • Publication number 20230226619
    • Publication date Jul 20, 2023
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Koji TAKAHASHI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    REAMER
    • Publication number 20220048125
    • Publication date Feb 17, 2022
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Masashi YAMADA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL
    • Publication number 20210291282
    • Publication date Sep 23, 2021
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Masaaki JINDAI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL
    • Publication number 20190232392
    • Publication date Aug 1, 2019
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Yuki Tsutsumi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CUTTING TOOL
    • Publication number 20190232388
    • Publication date Aug 1, 2019
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Yoshikatsu Mori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL
    • Publication number 20170274460
    • Publication date Sep 28, 2017
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Masaaki Jindai
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    DRILL
    • Publication number 20170232529
    • Publication date Aug 17, 2017
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Yuma Kawakami
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SMALL-DIAMETER DRILL
    • Publication number 20150283624
    • Publication date Oct 8, 2015
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Masaaki Jindai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TWO-EDGE DOUBLE MARGIN DRILL
    • Publication number 20150283625
    • Publication date Oct 8, 2015
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Yoshiji Sato
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TWIST DRILL
    • Publication number 20100215452
    • Publication date Aug 26, 2010
    • Masaaki Jindai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    INDEXABLE INSERT AND DRILL USING THE SAME
    • Publication number 20080219791
    • Publication date Sep 11, 2008
    • SUMITOMO ELECTRIC HARDMETAL CORP.
    • Kazuchika NASU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR