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Jouji Shinta

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  • Tokai, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roller-dies-processing method and apparatus
    • Patent number 4,343,167
    • Issue date Aug 10, 1982
    • Aichi Steel Works Ltd.
    • Yoshimichi Hasegawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roller-dies-processing method and apparatus
    • Patent number 4,283,930
    • Issue date Aug 18, 1981
    • Aichi Steel Works Limited
    • Yoshimichi Hasegawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...