TREA

Tatsuo Arai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting tool and method for supplying cutting medium to the same
    • Patent number 6,287,058
    • Issue date Sep 11, 2001
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary cutter having chip-repelling mechanism
    • Patent number 5,984,598
    • Issue date Nov 16, 1999
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Reusable type end mill
    • Patent number 5,947,649
    • Issue date Sep 7, 1999
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Disposable cutting tip clamp for a milling machine
    • Patent number 5,855,457
    • Issue date Jan 5, 1999
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Throw-away tip and throw-away type cutter
    • Patent number 5,807,031
    • Issue date Sep 15, 1998
    • Mitsubishi Materials Corp.
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert
    • Patent number 5,791,831
    • Issue date Aug 11, 1998
    • Mitsubishi Materials Corporation
    • Takamasa Shimano
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert and method of manufacturing the cutting insert
    • Patent number 5,762,453
    • Issue date Jun 9, 1998
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Face milling cutting insert having convex rakes with obtusely inter...
    • Patent number 5,586,845
    • Issue date Dec 24, 1996
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for manufacturing a cutter
    • Patent number 5,526,716
    • Issue date Jun 18, 1996
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Cutting insert
    • Patent number 5,460,464
    • Issue date Oct 24, 1995
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert
    • Patent number 5,443,335
    • Issue date Aug 22, 1995
    • Mitsubishi Materials Corp.
    • Takamasa Shimano
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Milling cutter clamping wedge with hardened chip surface
    • Patent number 5,352,067
    • Issue date Oct 4, 1994
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Throw-away cutting tool
    • Patent number 5,332,339
    • Issue date Jul 26, 1994
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert and cutter
    • Patent number 5,314,269
    • Issue date May 24, 1994
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball end mill
    • Patent number 5,294,219
    • Issue date Mar 15, 1994
    • Mitsubishi Materials Corporation
    • Hidehisa Shiratori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutter insert
    • Patent number D342269
    • Issue date Dec 14, 1993
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Throwaway insert and cutting tool therefor
    • Patent number 5,244,318
    • Issue date Sep 14, 1993
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Nitrided cutter machining
    • Patent number 5,240,356
    • Issue date Aug 31, 1993
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Throwaway milling cutter
    • Patent number 5,209,610
    • Issue date May 11, 1993
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert for ball end mill
    • Patent number 5,197,831
    • Issue date Mar 30, 1993
    • Mitsubishi Materials Corporation
    • Hidehisa Shiratori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting insert
    • Patent number 5,193,946
    • Issue date Mar 16, 1993
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Throwaway insert
    • Patent number 5,190,417
    • Issue date Mar 2, 1993
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool
    • Patent number 5,171,109
    • Issue date Dec 15, 1992
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool with clamped-on inserts
    • Patent number 5,160,228
    • Issue date Nov 3, 1992
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Insert cutter
    • Patent number 5,102,269
    • Issue date Apr 7, 1992
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary cutting tool
    • Patent number 5,090,849
    • Issue date Feb 25, 1992
    • Mitsubishi Materials Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Insert clamped tool
    • Patent number 5,035,544
    • Issue date Jul 30, 1991
    • Mitsubishi Metal Corporation
    • Kouichi Ikenaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary cutting tool
    • Patent number 5,026,221
    • Issue date Jun 25, 1991
    • Mitsubishi Metal Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Indexable cutter insert
    • Patent number 5,017,055
    • Issue date May 21, 1991
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clamped cutting tool
    • Patent number 5,004,378
    • Issue date Apr 2, 1991
    • Mitsubishi Metal Corporation
    • Tatsuo Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR