TREA

Susumu Mizunuma

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  • Kitakyushu, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal extrusion process with high reduction
    • Patent number 4,074,557
    • Issue date Feb 21, 1978
    • Nippon Steel Corporation
    • Samon Yanagimoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing seamless steel tube
    • Patent number 4,006,618
    • Issue date Feb 8, 1977
    • Yanagimoto; Samon
    • Samon Yanagimoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...