TREA

Katsuaki Tonomura

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  • Hachiouji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sprinkler head
    • Patent number 6,073,700
    • Issue date Jun 13, 2000
    • Hochiki Kabushiki Kaisha
    • Toshihide Tsuji
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Sprinkler head
    • Patent number 6,044,912
    • Issue date Apr 4, 2000
    • Hochiki Kabushiki Kaisha
    • Toshihide Tsuji
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Firefighting double-nozzle deluge gun and control method thereof
    • Patent number 5,392,990
    • Issue date Feb 28, 1995
    • Hochiki Kabushiki Kaisha
    • Teruo Iwata
    • A62 - LIFE-SAVING FIRE-FIGHTING