Inventor

YANG CHANG-HSIN

TW5 patents

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

EPIX INC

2 patents

US6190289B1Feb 20, 2001

Foldable elliptical exercise machine

EPIX INC115 citations94

US6149551ANov 21, 2000

Foldable elliptical exercise machine

EPIX INC103 citations94

(unassigned)

1 patent

US6641506B1Nov 4, 2003

Walking machine having two footboards capable of swiveling laterally

CHEN YA-CHI

1 patent

US7223208B1May 29, 2007

Exercise machine comprising two hand grips which are provided with a damping device

CHEN YA-CHI3 citations55

YANG CHANG-HSIN

1 patent

US7429234B2Sep 30, 2008

Oval track stepper

YANG CHANG-HSIN0 citations43