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Kazuo Sasaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve operating mechanism
    • Patent number 5,397,221
    • Issue date Mar 14, 1995
    • Yamamoto Suiatu Kogyosho Co., Ltd.
    • Katsumi Onizuka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Timer circuit
    • Patent number 5,063,355
    • Issue date Nov 5, 1991
    • Omron Corporation
    • Kazuo Sasaki
    • G04 - HOROLOGY
  • Information Patent Grant

    Method and apparatus for performing a hydraulic pressure test on a...
    • Patent number 4,502,323
    • Issue date Mar 5, 1985
    • KK Yamamoto Suiatsu Kogyosho
    • Tosio Watase
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Automatic pressurized connecting device
    • Patent number 4,435,006
    • Issue date Mar 6, 1984
    • Kabushiki Kaisha Yamamoto Suiatsu Kogyosho
    • Katsumi Ishigaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Packing for use in steel-pipe hydraulic testing apparatus
    • Patent number 4,149,731
    • Issue date Apr 17, 1979
    • Sumitomo Kinzoku Kogyo Kabushiki Kaisha
    • Mitsuo Yoshida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...