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Fumio Watanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Laser energy measuring unit and laser machining apparatus
    • Patent number 7,929,127
    • Issue date Apr 19, 2011
    • Hitachi Via Mechanics
    • Fumio Watanabe
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Laser machining apparatus
    • Patent number 7,473,867
    • Issue date Jan 6, 2009
    • Hitachi via Mechanics, Ltd.
    • Kazuhisa Ishii
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents