Inventor

CHANG LIANG-HSI

US4 patents

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

KEYTOUCH CORP

2 patents

US6320942B1Nov 20, 2001

Directionally-mapped, keyed alpha-numeric data input/output system

KEYTOUCH CORP32 citations87

US6459777B1Oct 1, 2002

Directionally-mapped, keyed alpha-numeric data input/output system

KEYTOUCH CORP6 citations68

WINBOND ELECTRONICS CORP

1 patent

US6775733B2Aug 10, 2004

Interface for USB host controller and root hub

WINBOND ELECTRONICS CORP39 citations88

CHANG LIANG-HSI

1 patent

US8581750B2Nov 12, 2013

Data input system with multi-directional pointing device

CHANG LIANG-HSI1 citations42