Fujita; Takafumi

Organization

  • Chiba, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Seismic isolation sliding bearing for structure

    • Patent number 5,867,951
    • Issue date Feb 9, 1999
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Daisuke Yaguchi
    • E04 - BUILDING
  • Information Patent Grant

    Active/passive damping apparatus

    • Patent number 5,255,764
    • Issue date Oct 26, 1993
    • Fujita; Takafumi
    • Hiroshi Kurabayashi
    • E04 - BUILDING
  • Information Patent Grant

    Vibration energy absorber device

    • Patent number 4,731,966
    • Issue date Mar 22, 1988
    • Fujita; Takafumi
    • Takafumi Fujita
    • E04 - BUILDING
  • Information Patent Grant

    Earthquake isolation floor

    • Patent number 4,402,483
    • Issue date Sep 6, 1983
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Hiroshi Kurabayashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Earthquake isolation floor

    • Patent number 4,371,143
    • Issue date Feb 1, 1983
    • Mitsubishi Steel Mfg. Co., Ltd.
    • Jiro Ishida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...