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Kazushige Hirasawa

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  • Kawanishi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical machining device
    • Patent number 6,791,061
    • Issue date Sep 14, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Koji Fujii
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Consumable electrode type pulse arc welding machine
    • Patent number 4,647,754
    • Issue date Mar 3, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Kazushige Hirasawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical machining device
    • Publication number 20030132210
    • Publication date Jul 17, 2003
    • Koji Fujii
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR