TREA

Yi-Hsung Hsu

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Freewheel hub for a bicycle
    • Patent number 6,460,673
    • Issue date Oct 8, 2002
    • Yi-Hsung Hsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Derailleur
    • Patent number D447986
    • Issue date Sep 18, 2001
    • Yi-Hsung Hsu
    • D12 - Transportation
  • Information Patent Grant

    Bicycle handle bar grip
    • Patent number D410834
    • Issue date Jun 8, 1999
    • Yi-Hsung Hsu
    • D08 - Tools and hardware
  • Information Patent Grant

    Bicycle handle shifter grip
    • Patent number D406041
    • Issue date Feb 23, 1999
    • Yi-Hsung Hsu
    • D08 - Tools and hardware
  • Information Patent Grant

    Bicycle handle grip
    • Patent number D404282
    • Issue date Jan 19, 1999
    • Yi-Hsung Hsu
    • D08 - Tools and hardware
  • Information Patent Grant

    Electronic bicycle derailleur control apparatus
    • Patent number 5,514,041
    • Issue date May 7, 1996
    • Yi-Hsung Hsu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle speed change mechanisms
    • Patent number 5,498,211
    • Issue date Mar 12, 1996
    • Yi-Hsung Hsu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle top-pull front derailleur
    • Patent number 5,389,043
    • Issue date Feb 14, 1995
    • Yi-Hsung Hsu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rear derailleur mechanism for a bicycle
    • Patent number 5,346,434
    • Issue date Sep 13, 1994
    • Yi-Hsung Hsu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Indexed gear-shift mechanism
    • Patent number 5,191,807
    • Issue date Mar 9, 1993
    • Yi-Hsung Hsu
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Gear shifter for a bicycle
    • Patent number D318836
    • Issue date Aug 6, 1991
    • Yi-Hsung Hsu
    • D12 - Transportation

Patents Applicationslast 30 patents

  • Information Patent Application

    Noise-free sprocket wheel
    • Publication number 20050029071
    • Publication date Feb 10, 2005
    • Yi-Hsung Hsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Freewheel hub for a bicycle
    • Publication number 20020070088
    • Publication date Jun 13, 2002
    • Yi-Hsung Hsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...