YW

Yang Wu

CC Chang Chun Petrochemical Co.: 1 patents #1 of 2Top 50%
📍 Xuzhou, HI: #1 of 1 inventorsTop 100%
Overall (2002): #87,822 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6472023 Seed layer of copper interconnection via displacement Chi-Chao Wan 2002-10-29