NM

Nobuhiko Mamada

NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #3,090,170 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8641836 Steel plate for line pipe excellent in strength and ductility and method of production of same Hajime Ishikawa, Ryuji Uemori, Yoshiyuki Watanabe 2014-02-04