TREA

Ichiro Maeno

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct-operated servo valve, fluid pressure servo mechanism and con...
    • Patent number 5,040,569
    • Issue date Aug 20, 1991
    • Hitachi, Ltd.
    • Tadahiko Nogami
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rotary valve
    • Patent number 5,014,748
    • Issue date May 14, 1991
    • Hitachi, Ltd.
    • Tadahiko Nogami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...