TREA

Tadashi Shinjo

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-piercing nut
    • Patent number D557132
    • Issue date Dec 11, 2007
    • Shinjo Manufacturing Co., Ltd.
    • Tadashi Shinjo
    • D08 - Tools and hardware
  • Information Patent Grant

    Self-piercing nut
    • Patent number D551960
    • Issue date Oct 2, 2007
    • Shinjo Manufacturing Co., Ltd.
    • Tadashi Shinjo
    • D08 - Tools and hardware