RY

Ryuichi Yagi

NC Nippon Kokan Co.: 3 patents #85 of 735Top 15%
Overall (All Time): #1,657,148 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5195344 Warm rolling facility for steel strip coils Sadakazu Masuda, Fumio Fujita, Tadayoshi Murakami, Masahiko Yoshino, Masamoto Kamata 1993-03-23
5006181 Lubricating method for warm rolling of high silicon steels Sadakazu Masuda, Fumio Fujita, Tadayoshi Murakami, Masahiko Yoshino, Masamoto Kamata 1991-04-09
4938049 Warm rolling method for high silicon steel strips Sadakazu Masuda, Fumio Fujita, Tadayoshi Murakami, Masahiko Yoshino, Masamoto Kamata 1990-07-03