Hitomi Nakai

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Vibrating cutting tool

    • Patent number 5,271,301
    • Issue date Dec 21, 1993
    • Nippon Pneumatic Manufacturing Co., Ltd.
    • Masaaki Hiraoka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR