KT

Kazumasa TSUTSUI

NS Nippon Steel: 5 patents #528 of 4,423Top 15%
Overall (All Time): #899,079 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12416060 High-strength steel sheet Genki Abukawa, Hiroyuki Tanaka, Masafumi Azuma 2025-09-16
12392020 Hot-rolled steel sheet Hiroshi Shuto, Koutarou Hayashi 2025-08-19
12297524 Hot-rolled steel sheet Hiroshi Shuto, Koutarou Hayashi, Akifumi SAKAKIBARA, Jun ANDO, Shota ENDO 2025-05-13
12203157 Hot-rolled steel sheet Koutarou Hayashi, Hiroshi Shuto, Hiroshi KAIDO 2025-01-21
12116646 Hot-rolled steel sheet Mutsumi SAKAKIBARA, Hiroshi Shuto, Koutarou Hayashi 2024-10-15