YC

Y. W. Chang

US Umax Data Systems: 1 patents #7 of 25Top 30%
Overall (2002): #89,080 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6481860 Circular optical reflection apparatus — 2002-11-19