TREA

Yasuhiko Nishi

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  • Hisai, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas shield chamber for arc welding of rails
    • Patent number 4,686,341
    • Issue date Aug 11, 1987
    • Nippon Kokan Kabushiki Kaisha
    • Hirokazu Nomura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Gas-shielded arc welding apparatus
    • Patent number 4,672,173
    • Issue date Jun 9, 1987
    • Nippon Kokan Kabushiki Kaisha
    • Hirokazu Nomura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR