TREA

Mitsuaki Kohara

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  • Kishiwada, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Threaded fastener and a method of making same
    • Patent number 6,328,657
    • Issue date Dec 11, 2001
    • Kurimoto, Ltd.
    • Masayoshi Kitagawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...