Inventor

YANG CHANG-YAO

TW3 patents

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

SUN RACE STURMEY ARCHER INC

2 patents

US11059542B2Jul 13, 2021

Bicycle derailleur

SUN RACE STURMEY ARCHER INC2 citations65

US10059401B2Aug 28, 2018

Derailleur apparatus for bicycles

SUN RACE STURMEY ARCHER INC1 citations44

(unassigned)

1 patent

USD472997SApr 8, 2003

Flashlight

2 citations51