CY

Chen Yen-Cheng

AV Avision: 1 patents #70 of 148Top 50%
Overall (All Time): #3,533,618 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6335802 Image reading head Chang Hung-Che 2002-01-01