HC

HSIN-HUA CHANG

RI Ritek: 2 patents #19 of 73Top 30%
Overall (All Time): #2,228,178 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6280809 Luminous disk Shaw-Jong Wang, Chi-Jung Shen 2001-08-28
6254260 Car cabin light device Shaw-Jong Wang, Chi-Jung Shen 2001-07-03