TREA

Hirofumi Ara

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  • Atsugi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Torque transmitting and torsion damping apparatus for use in motor...
    • Patent number 6,223,625
    • Issue date May 1, 2001
    • Unisia Jecs Corporation
    • Hirofumi Ara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torque transmitting and torsion damping apparatus with torsion damper
    • Patent number 6,220,966
    • Issue date Apr 24, 2001
    • Unisia Jecs Corporation
    • Hirofumi Ara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vibration damper
    • Patent number 5,415,062
    • Issue date May 16, 1995
    • Atsugi Unisia Corporation
    • Satoshi Kohno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flywheel
    • Patent number 5,245,889
    • Issue date Sep 21, 1993
    • Atsugi Unisia Corp.
    • Satoshi Kohno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lock-up torque converter for automatic transmission
    • Patent number 5,203,835
    • Issue date Apr 20, 1993
    • Atsugi Unisia Corporation
    • Satoshi Kohno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lock-up torque converter for automatic transmissions
    • Patent number 4,966,261
    • Issue date Oct 30, 1990
    • Atsugi Motor Parts Company, Limited
    • Satoshi Kohno
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...