SO

Susumu Otsuka

NS Nippon Steel: 1 patents #18 of 156Top 15%
📍 Hikari, JP: #3 of 9 inventorsTop 35%
Overall (1982): #29,718 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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