MH

Manabu Hanzawa

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,969,033 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4645893 Method for manufacturing spiral-welded steel pipe Yasumi Shimazaki, Yoshito Tsuyama, Hiroyo Haga 1987-02-24