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Takafumi Yokoyama

NS Nippon Steel: 4 patents #21 of 290Top 8%
Overall (2023): #37,873 of 537,848Top 8%
4
Patents 2023

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11814708 Hot dip galvanized steel sheet and method for producing same Hiroyuki Kawata, Kunio Hayashi, Yuji Yamaguchi, Satoshi Uchida 2023-11-14
11732321 Steel sheet and method of producing same Kengo Takeda, Hitoshi Nikaido, Hiroyuki Kawata 2023-08-22
11685963 Zinc-plated steel sheet and manufacturing method thereof Kunio Hayashi, Masahiro Nakata, Yuji Yamaguchi, Satoshi Uchida 2023-06-27
11680303 Steel sheet and manufacturing method therefor Riki Okamoto, Kohichi Sano, Hiroyuki Kawata, Kohei Ueda, Eisaku Sakurada 2023-06-20