TREA

Akio Kamada

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Welding process using laser beam
    • Patent number 4,546,230
    • Issue date Oct 8, 1985
    • Kawasaki Steel Corporation
    • Hiroaki Sasaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Steel pipe welding method
    • Patent number 4,527,033
    • Issue date Jul 2, 1985
    • Kawasaki Steel Corporation
    • Junya Matsuyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR