TREA

Akimitsu Hiraki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Punching apparatus and punch
    • Patent number 6,109,156
    • Issue date Aug 29, 2000
    • NGK Insulators, Ltd.
    • Tomonori Tsuchimoto
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Liquid waste filtering apparatus
    • Patent number 4,830,749
    • Issue date May 16, 1989
    • NGK Insulators, Ltd.
    • Magoji Okamoto
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL