TREA

Masanori KAWAI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Production method for hat-shaped steel sheet pile
    • Patent number 11,958,092
    • Issue date Apr 16, 2024
    • Nippon Steel Corporation
    • Hiroshi Yamashita
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing steel sheet pile
    • Patent number 10,751,772
    • Issue date Aug 25, 2020
    • Nippon Steel Corporation
    • Ryo Hashimoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents