YI

Yukio Ishizaka

SI Sumitomo Metal Industries: 1 patents #18 of 138Top 15%
Overall (2002): #83,997 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6402858 Super-clean steel — 2002-06-11