Inventor · disambiguated record
Chan-Hua Feng
Also filed as: FENG CHAN-HUA
10 granted patents·285 citations·filing 1993–2001
92Inventor score
Files withIND TECH RES INST5NAT SCIENCE COUNCIL2IND TECHNOLOGY REASEARCH INST1IND TECHNOLOGY RESARCH INST1NAT SCIENCE COUNCIL REPUBLIC CHINA1
Top patents by PatentIndex Score
10 records- 0181US6564670B2Bicycle speed control apparatusNAT SCIENCE COUNCIL·Filed 2001·Granted May 20, 2003·34 cites·15 claims
- 0281US5588331ARotary shifter for bicycleIND TECH RES INST·Filed 1995·Granted Dec 31, 1996·47 cites·11 claims
- 0374US5673594ASpeed change lever apparatus for use in bicyclesIND TECH RES INST·Filed 1996·Granted Oct 7, 1997·38 cites·3 claims
- 0471US5361645AShift lever apparatus for use in bicycleIND TECH RES INST·Filed 1993·Granted Nov 8, 1994·34 cites·4 claims
- 0569US6467368B1Hand operated bicycle gear transmission deviceNAT SCIENCE COUNCIL REPUBLIC CHINA·Filed 1999·Granted Oct 22, 2002·30 cites·4 claims
- 0665US5660083AGear shifting device for a multi-speed bicycleIND TECHNOLOGY REASEARCH INST·Filed 1995·Granted Aug 26, 1997·38 cites·9 claims
- 0762US6644143B2Grip gear-shifter for actuating derailleur of bicycleNAT SCIENCE COUNCIL·Filed 2001·Granted Nov 11, 2003·15 cites·15 claims
- 0854US5632226ABicycle speed indicatorIND TECHNOLOGY RESARCH INST·Filed 1995·Granted May 27, 1997·17 cites·14 claims
- 0949US5865698ARear derailleur for use in bicyclesIND TECH RES INST·Filed 1997·Granted Feb 2, 1999·20 cites·2 claims
- 1045US5409422ATwo sprocket tooth trimming methods and the structure thereof for the multi-stage sprocket assembly in a bicycleIND TECH RES INST·Filed 1994·Granted Apr 25, 1995·12 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →