TREA

Katsuhiro Onishi

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  • Nobeoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve
    • Patent number 5,553,831
    • Issue date Sep 10, 1996
    • Asahi Yukizai Kogyo Co., Ltd.
    • Yoshito Ozaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve
    • Patent number D372073
    • Issue date Jul 23, 1996
    • Asahi Yukizai Kogyo Co., Ltd.
    • Yoshito Ozaki
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Constant flow valve
    • Patent number 5,174,332
    • Issue date Dec 29, 1992
    • Asahi Yukizai Kogyo Co., Ltd.
    • Ikuo Yokoyama
    • G05 - CONTROLLING REGULATING