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Riichiroh Harada

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  • Iruma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    EIEC tromagnetic actuator for valve stem
    • Patent number 5,065,061
    • Issue date Nov 12, 1991
    • Kabushiki Kaisha Yasakawa Denki Seisakusho
    • Ikumi Satoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor-operated valve
    • Patent number 4,948,091
    • Issue date Aug 14, 1990
    • Kabushiki Kaisha Yaskawa Denki Seisakusho
    • Ikumi Satoh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...