YS

Yoichi Sasai

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #85,286 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6498094 Method for providing a contact hole formed in an insulating film Keisaku Nakao, Yuji Judai, Atsushi Noma 2002-12-24