TREA

Chan-Hua Feng

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  • Hsinchu, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rear derailleur for use in bicycles
    • Patent number 5,865,698
    • Issue date Feb 2, 1999
    • Industrial Technology Research Institute
    • Jack Huang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Speed change lever apparatus for use in bicycles
    • Patent number 5,673,594
    • Issue date Oct 7, 1997
    • Industrial Technology Research Institute
    • Jack Huang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Gear shifting device for a multi-speed bicycle
    • Patent number 5,660,083
    • Issue date Aug 26, 1997
    • Industrial Technology Reasearch Institute
    • Jack Huang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle speed indicator
    • Patent number 5,632,226
    • Issue date May 27, 1997
    • Industrial Technology Resarch Institute
    • Jack Huang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Rotary shifter for bicycle
    • Patent number 5,588,331
    • Issue date Dec 31, 1996
    • Industrial Technology Research Institute
    • Jack Huang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Two sprocket tooth trimming methods and the structure thereof for t...
    • Patent number 5,409,422
    • Issue date Apr 25, 1995
    • Industrial Technology Research Institute
    • Chan-Hua Feng
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Shift lever apparatus for use in bicycle
    • Patent number 5,361,645
    • Issue date Nov 8, 1994
    • Industrial Technology Research Institute
    • Chan-Hua Feng
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS