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MASAYUKI OKAWA

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  • YUUKI-GUN, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interference fit type cutting tool
    • Patent number 6,312,201
    • Issue date Nov 6, 2001
    • Mitsubishi Materials Corporation
    • Hidehiko Nagaya
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Boring tool
    • Patent number 6,126,365
    • Issue date Oct 3, 2000
    • Mitsubishi Materials Corporation
    • Masayuki Okawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool
    • Patent number 5,391,022
    • Issue date Feb 21, 1995
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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 tool
    • Patent number 5,314,273
    • Issue date May 24, 1994
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • 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

    Boring bar tool
    • Patent number 5,261,767
    • Issue date Nov 16, 1993
    • Mitsubishi Metal Corporation
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball end mill
    • Patent number 5,221,162
    • Issue date Jun 22, 1993
    • Mitsubishi Materials Corporation
    • Masayuki Okawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary cutting tool
    • Patent number 5,201,614
    • Issue date Apr 13, 1993
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • 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 tool
    • Patent number 5,193,945
    • Issue date Mar 16, 1993
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary cutter
    • Patent number 5,190,418
    • Issue date Mar 2, 1993
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball end mill
    • Patent number 5,188,487
    • Issue date Feb 23, 1993
    • Mitsubishi Materials Corporation
    • Masayuki Okawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    End mill
    • Patent number 5,188,488
    • Issue date Feb 23, 1993
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary cutter
    • Patent number 5,186,583
    • Issue date Feb 16, 1993
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Boring bar tool
    • Patent number 5,156,503
    • Issue date Oct 20, 1992
    • Mitsubishi Metal Corporation
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Insert clamped tool
    • Patent number 5,100,268
    • Issue date Mar 31, 1992
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Indexable cutting insert
    • Patent number 5,085,542
    • Issue date Feb 4, 1992
    • Mitsubishi Materials Corporation
    • Masaaki Nakayama
    • 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

    Ball end mill
    • Patent number D309317
    • Issue date Jul 17, 1990
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Osamu Tsujimura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Ball end mill
    • Patent number D308874
    • Issue date Jun 26, 1990
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Osamu Tsujimura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Ball end mill
    • Patent number 4,934,881
    • Issue date Jun 19, 1990
    • Mitsubishi Metal Corporation
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball end mill
    • Patent number 4,927,303
    • Issue date May 22, 1990
    • Mitsubishi Metal Corporation
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball end mill
    • Patent number 4,919,573
    • Issue date Apr 24, 1990
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball end mill
    • Patent number 4,898,499
    • Issue date Feb 6, 1990
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ball end mill
    • Patent number 4,883,391
    • Issue date Nov 28, 1989
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Indexable cutter insert
    • Patent number 4,834,591
    • Issue date May 30, 1989
    • Mitsubishi Kinzoku Kabushiki Kaisha
    • Osamu Tsujimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERFERENCE FIT TYPE CUTTING TOOL
    • Publication number 20010041106
    • Publication date Nov 15, 2001
    • nagaya
    • HIDEHIKO NAGAYA
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC