TO

Tatsurou Obi

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #4,077,336 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4354881 Method for antirust treatment of steel stocks Keiichi Tanikawa, Susumu Otsuka, Isao Manabe, Akiyoshi Inubushi, Chiaki Maeda 1982-10-19