TREA

Hiroyuki Iwasaki

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  • Urawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas pressure-reducing valve
    • Patent number 6,176,256
    • Issue date Jan 23, 2001
    • Keihin Corporation
    • Yoji Nakajima
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Gas pressure-reducing valve
    • Patent number 6,155,290
    • Issue date Dec 5, 2000
    • Keihin Corporation
    • Yoji Nakajima
    • G05 - CONTROLLING REGULATING