AS

Akifumi SAKAKIBARA

NS Nippon Steel: 9 patents #228 of 4,423Top 6%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
Overall (All Time): #435,916 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12297524 Hot-rolled steel sheet Hiroshi Shuto, Kazumasa TSUTSUI, Koutarou Hayashi, Jun ANDO, Shota ENDO 2025-05-13
12180570 Hot-rolled steel sheet Hiroshi Shuto, Genki Abukawa, Jun ANDO, Tetsu Asato, Shota ENDO 2024-12-31
12123064 Hot-rolled steel sheet Hiroshi Shuto, Koutarou Hayashi, Hiroshi KAIDO, Jun ANDO, Tetsu Asato 2024-10-22
12018352 Hot rolled steel sheet Mutsumi SAKAKIBARA, Tetsu Asato, Akihiro Yamamoto 2024-06-25
11970758 Hot-rolled steel sheet Hiroshi Shuto, Shinsuke Kai, Koutarou Hayashi, Hiroshi KAIDO 2024-04-30
11255005 Hot-rolled steel sheet Daisuke Maeda, Hiroshi Shuto, Kazuya Ootsuka, Shinsuke Kai 2022-02-22
11208702 Hot-rolled steel sheet and manufacturing method thereof Tatsuo Yokoi, Hiroshi Shuto, Yuuki Kanzawa, Masafumi Azuma 2021-12-28
10718040 Hot-rolled steel sheet, steel material, and method for producing hot-rolled steel sheet Teruki Hayashida, Kazuya Ootsuka 2020-07-21
10655192 Hot-rolled steel sheet Kazuya Ootsuka, Takehiro Hoshino, Teruki Hayashida, Daisuke Maeda 2020-05-19
10260124 Hot-rolled steel sheet and manufacturing method thereof Tatsuo Yokoi, Hiroshi Shuto, Yuuki Kanzawa, Masafumi Azuma 2019-04-16
10023929 Hot-rolled steel sheet Hiroshi Shuto, Masafumi Azuma, Yuuki Kanzawa, Ken Kimura 2018-07-17