P

Inventor

CHENG CHI-CHANG

TW8 patents
⚠️ This page may combine multiple inventors who share the name “CHENG CHI-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHENG CHI-CHANG

4 patents
US9008931B2Apr 14, 2015

Bicycle gear shift control system capable of avoiding frequent gear shifting

CHENG CHI-CHANG9 citations80
US8886426B2Nov 11, 2014

Power-assisted bicycle with a gear shift smoothening function

CHENG CHI-CHANG13 citations80
US8768585B2Jul 1, 2014

Shift control system for power-assisted bicycle

CHENG CHI-CHANG15 citations80
US8977450B2Mar 10, 2015

Automatic gear-shifting bicycle with optimal shift timing

CHENG CHI-CHANG5 citations69

HSU YUAN-FANG

1 patent
US8532857B2Sep 10, 2013

Power-assisted system for bicycle

HSU YUAN-FANG8 citations76

CHI MEI COMM SYSTEMS INC

1 patent
US7701727B2Apr 20, 2010

Portable electronic device

CHI MEI COMM SYSTEMS INC2 citations57

LE LONG MODERN CO LTD

1 patent
US12545462B2Feb 10, 2026

Packaging machine structure for wet paper towel with sterilizating ability

LE LONG MODERN CO LTD0 citations42

BU SHANG ENTPR CO LTD

1 patent
US10174910B2Jan 8, 2019

Method for making reflective and self-luminous substrate

BU SHANG ENTPR CO LTD0 citations31