P

Inventor

FENG CHAN-HUA

TW10 patents
⚠️ This page may combine multiple inventors who share the name “FENG CHAN-HUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IND TECH RES INST

5 patents
US5588331ADec 31, 1996

Rotary shifter for bicycle

IND TECH RES INST47 citations92
US5673594AOct 7, 1997

Speed change lever apparatus for use in bicycles

IND TECH RES INST38 citations91
US5361645ANov 8, 1994

Shift lever apparatus for use in bicycle

IND TECH RES INST34 citations88
US5865698AFeb 2, 1999

Rear derailleur for use in bicycles

IND TECH RES INST20 citations83
US5409422AApr 25, 1995

Two sprocket tooth trimming methods and the structure thereof for the multi-stage sprocket assembly in a bicycle

IND TECH RES INST12 citations70

NAT SCIENCE COUNCIL

2 patents
US6564670B2May 20, 2003

Bicycle speed control apparatus

NAT SCIENCE COUNCIL34 citations92
US6644143B2Nov 11, 2003

Grip gear-shifter for actuating derailleur of bicycle

NAT SCIENCE COUNCIL15 citations80

NAT SCIENCE COUNCIL REPUBLIC CHINA

1 patent
US6467368B1Oct 22, 2002

Hand operated bicycle gear transmission device

NAT SCIENCE COUNCIL REPUBLIC CHINA30 citations89

IND TECHNOLOGY REASEARCH INST

1 patent
US5660083AAug 26, 1997

Gear shifting device for a multi-speed bicycle

IND TECHNOLOGY REASEARCH INST38 citations89

IND TECHNOLOGY RESARCH INST

1 patent
US5632226AMay 27, 1997

Bicycle speed indicator

IND TECHNOLOGY RESARCH INST17 citations72