Hsi-Fu Chang

LR Leadtek Research: 1 patents #3 of 10Top 30%

📍 Ji'an, TW: #2 of 8 inventorsTop 25%

Overall (2004): #206,326 of 270,089Top 80%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6677931	Keyboard	Ching-Shou Chi, Yang-Wei Wu	2004-01-13