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Hirokazu Naka

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool attaching device
    • Patent number 5,294,209
    • Issue date Mar 15, 1994
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hirokazu Naka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for surface finishing
    • Patent number 5,241,792
    • Issue date Sep 7, 1993
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hirokazu Naka
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Apparatus for abrading a surface
    • Patent number 5,119,601
    • Issue date Jun 9, 1992
    • Yamaha Motor Co., Ltd.
    • Teruaki Yamashita
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Machining apparatus
    • Patent number 5,056,964
    • Issue date Oct 15, 1991
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hirokazu Naka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary file, support member and abrasive device
    • Patent number 4,941,245
    • Issue date Jul 17, 1990
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Teruaki Yamashita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR