Inventor

CHANG CHI-CHIA

TW2 patents

Patents

2 patents

US6930590B2Aug 16, 2005

Modular electrotactile system and method

OWNWAY BIOTRONICS INC86 citations87

US7190352B2Mar 13, 2007

Method and apparatus of electrotactile panel with pointing system

OWNWAY BIOTRONICS INC25 citations86