YS

Yoshiro Sumi

NS Nippon Steel: 1 patents #18 of 156Top 15%
Overall (1982): #21,765 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314469 Rolling mill Takashi Kitamura, Akira Matsufuji 1982-02-09