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Ryuji Ohtani

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  • Kadoma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Saw blade
    • Patent number 5,855,157
    • Issue date Jan 5, 1999
    • Matsushita Electric Works, Ltd.
    • Hidezumi Okamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for manufacturing printed circuit board
    • Patent number 5,494,781
    • Issue date Feb 27, 1996
    • Matsushita Electric Works, Ltd.
    • Ryuji Ohtani
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR