HH

Hiroyuki Hirata

SI Sumitomo Metal Industries: 1 patents #12 of 66Top 20%
Overall (2004): #210,415 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6712913 Ferritic heat-resisting steel Kazuhiro Ogawa 2004-03-30